Dolphins use echolocation to help them navigate. They emit a sound that bounces off objects in front of them. Dolphins are able to navigate their surroundings based on how long it takes the sound to return. What property of waves are dolphins using to help them find their way around their environment?

Answers

Answer 1

The answer is reflection

Answer 2

Answer:

Reflection of sound waves produced by waves

Explanation:

Dolphins are capable to use the echolocation. Echolocation is the ability of an organism to detect sonar waves that allows the dolphin to visualize the path underwater. Dolphins interprets the sound waves echoes that bounce off objects near to them and hence help them in interpreting the route beneath the water. Sound waves travels at a very fast speed in water as compared to the air, therefore reflection of sound waves can be traced quickly for navigating beneath the water.

It is the reflection property of sound waves that helps the dolphin in moving under the water


Related Questions

Whats the Difference among herbivore, carnivore, omnivore, detritivore and decomposer

Answers

herbivore: an animal that only eats plants
carnivore: an animal that only eats meat (other animals)
omnivore: an animal that eats both plants and meat
detritivore: an animal that feeds on dead organic material
decomposer: An organism that decomposes organic material


hope this helps
The difference between carnivores, herbivores, omnivores, detritivores, decomposers, scavengers, and predator/prey. such as: Eat both plants and other animals. Feed on dead organisms (but not waste products).

What is the shortest period in which a population of darwin's finches can evolve?

Answers

Darwin's finches are a gathering of around fifteen types of passerine winged animals. They are outstanding for their exceptional decent variety in nose frame and capacity. They are regularly named the subfamily Geospizinae or tribe Geospizini. 
After an immense dry spell, the greater hooked finches lived and the littler ones passed on. So two years after the fact finches har mouths that were somewhat greater.
Final answer:

The evolution of Darwin's finches, observable in changes in beak size, can occur within a single generation, as demonstrated by a study conducted by Peter and Rosemary Grant. This was particularly evident during periods of abnormal rainfall due to El Nino. This is a significant example of natural selection and evolution.

Explanation:

The evolution of Darwin's finches, especially in relation to their beak sizes, offers a fascinating insight into the principle of natural selection. The study by Peter and Rosemary Grant indicates that these changes can occur within a single generation. This study involved analyses of the Galápagos finches, with particular attention to the medium ground finch on the Galápagos island of Daphne Major.

They found that during periods of abnormal rainfall due to El Nino, the availability of large, hard seeds reduced, which were, typically, food for large-billed birds. Conversely, there was an abundance of small, soft seeds which were favored by small-billed birds. This resulted in the small-billed birds being more successful in survival and reproduction.

In subsequent years, when the Grants measured the beak sizes within the population, they found the average beak size to be smaller. Hence, the shortest period within which a population of Darwin's finches can evolve is one generation, influenced by environmental changes and survival necessities. This is a significant example of natural selection and evolution.

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Assume all organisms scale isometrically. let l and m denote the length and body mass of an individual, respectively. as cross-sectional area of a muscle is proportional to _______ and l is proportional to _______, we have that strength is proportional to _____.

Answers

Assume all organisms scale isometrically. Let L and M denote the length and body mass of an individual, respectively. As cross-sectional area of a muscle is proportional to L2 and L is proportional to M1/3, we have that strength is proportional to M2/3.

As cross-sectional area of a Muscle is proportional to __L2_____ and l is proportional to __M1/3_____, we have that strength is proportional to __M2/3.___.

Isometric scaling

Isometric scaling is the preservation of proportional relationships even as size of organisms changes through growth

Since it is assumed that all the organisms scale isometrically and also Given that L denotes the length and m denotes body mass of an individual the cross-sectional area of a muscle is proportional to L2 while I is proportional to M1/3 and the strength will be proportional to M2/3.

Hence we can conclude that As cross-sectional area of a Muscle is proportional to __L2_____ and l is proportional to __M1/3_____, we have that strength is proportional to __M2/3.___.

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Many dogs bark when unknown individuals approach their house. what type of interaction is this?
a. mutualism
b. predation
c. symbiosis
d. competition please select the best answer from the choices provided

Answers

The answer is It's D: Competition

Answer: The correct answer is- d. competition.

Competition can be described as a biological interaction between individuals belonging to same ( intraspecific) or two or more different species ( interspecific) for territory, food, and other resources.

Dogs bark at unknown individuals, when they approach their house. By this behavior, they exhibit defense for their territory. This behavior is exhibited  because  dog is fearful and perceives strangers as a threat to their territory.  

Thus, option d) is the right answer.

Which level of organization includes all the other levels of organization?
organ system
organism
tissue
cell

Answers

The answer is organism. This is because an organism consists of system, cells, tissues and organs. It consists of all the other levels of organization working together. An example of organism Is a human being. I hope that helped. Have a nice day

Answer:

The answer is organism. pretty simple :) enjoy your day !

The nurse is providing care to a child with kawasaki disease. what does the nurse include in the child's plan of care? select all that apply.

Answers

the nurse provides care to the disease known as kawasaki disease 

Instituting cardiac monitoring

sdgsggsgasg

Which transport mechanisms require the formation of a vesicles to transport material into or out of the cell?

Answers

The answer is D because In exocytosis, materials are exported out of the cell via secretory vesicles. In this process, the Golgi complex packages macromolecules into transport vesicles that travel to and fuse with the plasma membrane. This fusion causes the vesicle to spill its contents out of the cell. Exocytosis is important in expulsion of waste materials out of the cell and in the secretion of cellular products such as digestive enzymes or hormones.

The transport mechanisms require the formation of a vesicles to transport material into or out of the cell is exocytosis and endocytosis.

What is Transport mechanism?

Transport mechanism refers to a system in which nutrients or waste products are transported in and out of the cell or from one location to another.

The two form of transport mechanism are endocytosis and exocytosis.

Excytosis is a process that help to transport waste products out of the cell.

Endocytosis is the process where molecules are transported into the cells.

Therefore, The transport mechanisms require the formation of a vesicles to transport material into or out of the cell is exocytosis and endocytosis.

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what is carbon needed for in living things?

Answers

carbohydrates, proteins, and lipids are all made out of carbon atoms.
These three substances are essential for most living things in obtaining energy to sustain their living.
Not only that, carbon played an important role during the photosynthesis process, which produces oxygen needed for all living organism

In a 3-year-old with fever, which occurrence might precipitate a febrile seizure?

Answers

Febrile seizure most commonly occurs in infants of 6 months of age to toddlers till 5 years old. It is characterized by fever that in most of the cases are harmless. The occurrence of  fever more than 102 degree Fahrenheit may lead to febrile seizure. Febrile seizure occurs during the first 24 hrs of high fever. These are convulsions that occurs when the child is suffering from high fever and may last for more than 15 minutes. The convulsions may involve shaking and twitching, rolling eyes and unconsciousness.
If a child had febrile seizure in the first year of life, he/she can have it again. It also depends on the parent's history of having febrile seizure.

Final answer:

A febrile seizure in a 3-year-old with fever can occur due to a rapid increase in body temperature, often as a result of an infection such as the flu or an ear infection. Most febrile seizures are short and not indicative of long-term problems, but they can sometimes signal an underlying condition like epilepsy.

Explanation:

In a 3-year-old with fever, febrile seizures may precipitate due to the sudden spike in body temperature often associated with infection. Febrile seizures are most common in young children between the ages of 6 months and 5 years and can occur when a child's temperature rises quickly. Common infections that might lead to a fever and subsequently a febrile seizure include influenza, ear infections, or after immunizations. However, it's important to note that not all fevers in children will lead to seizures, and most febrile seizures are relatively short and don't typically lead to long-term health problems. Nonetheless, in some cases, seizures in young children may indicate an underlying condition, such as epilepsy, especially if they recur without a fever or are of a specific type or duration.

Saucer-shaped, flattened free nerve endings that make contact with cells in the stratum basale are called

Answers

Type I cutaneous mechanoreceptors (aka) Merkel discs

Useful for measuring diseases that are difficult to pinpoint when an individual becomes a case, and for describing the magnitude of a public health problem is the:

Answers

Final answer:

Incidence and prevalence are two important measures used when describing the magnitude of a public health problem.

Explanation:

When measuring diseases that are difficult to pinpoint when an individual becomes a case, and for describing the magnitude of a public health problem, two specific statistical measures widely used in epidemiological investigations are incidence and prevalence.

Incidence is a measure of the number of new cases of a disease during a specific time period, while prevalence refers to the total number of both new and existing cases in a population over time.

These measures help understand risk factors, disease spread, and provide an indication of the overall health of the population.

Bass pro shops recognizes that outdoors enthusiasts are a diverse group. likely segments include hunters, campers, and boaters. what is this segmentation method called?

Answers

Psychographic segmentation includes separating your market into fragments in view of various identity characteristics, values, states of mind, premiums, and ways of life of purchasers. This division is beneficial in light of the fact that it enables you to participate in item plan and showcasing in an engaged way.

Asexual reproduction is not as widespread in (plants, animals) as it is in (plants,animals) .

Answers

Asexual reproduction is not as widespreaded in animals as it is in plants.

Answer:

Asexual reproduction is not widespread in animals as it is in plants.

Explanation:

Animals are mostly undergoing sexual reproduction to get diverse genetic combinations that is essential for survival. It is also necessary for the population to adapt to the changes in their surroundings.

If it was asexual mode of reproduction, then the offspring needs to depend on mutations  of the chromosomes to get the genetic diversity. But it is known that for mutation to happen it takes a long time or it does not happen often.

Hence, animals with asexaul mode are found to be at disadvantage that those with sexual mode of reproduction.

Asexual modes of reproduction is widespread in plants.

Which organism has more than 200 chromosomes?
a. dogs
c. peas
b. goats
d. crayfish?

Answers

Answer:

The answer is A

Explanation:

The answer is a hope this helps

Which of the organic compounds stores and transmits genetic information?

Answers

Nucleic Acids store and transmit heredity, or genetic information
Final answer:

Nucleic acids, namely DNA and RNA, are the organic compounds that store and transmit genetic information. DNA serves as the hereditary material in cells, while RNA assists in protein synthesis.

Explanation:

The organic compounds that store and transmit genetic information are nucleic acids. These comprise of Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA).

DNA contains the instructions for the synthesis of proteins by dictating the sequences of amino acids in polypeptides through processes known as transcription and translation. DNA carries the genetic blueprint of the cell that is passed from parent to offspring via cell division.  It has a double-helical structure with the two strands running in opposite directions (antiparallel), connected by hydrogen bonds and complement each other.

In RNA, uracil replaces thymine to pair with adenine (U-A). RNA is single-stranded and takes many forms, such as messenger RNA (mRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA), all of which participate in the synthesis of proteins.

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How do the products of meiosis compared to the original cell?

Answers

the four cells that result from meiosis have half of the genetic material (chromosomes) of the original parent cell. the cells that result from meiosis are gametes and two gametes from two individuals combine to create the first cell of a new individual since each parents gamete only has had as much genetic material the new individual has a complete set

Answer:

Meiosis is the type of cell division in which a parent cell divides into four daughter cells. Meiosis generally occurs in the gamete or sex cells. The haploid cells are produced by the meiosis.

The original cell is diploid that contains the chromosome number (2X). The original is divided into the four daughter cell. The daughter cells produced by the meiosis contains the half chromosome number as compared with original cell (X). The crossing over occurs in meiosis and the daughter cells are quite different from the original cells.

In gluconeogenesis, during the postabsorptive state, amino acids and ________ are converted to glucose.

Answers

The answer is Glycerol

Hope this helps

List two ways that the cell moves things by active transport

Answers

Oxygen, food molecules, and waste products all must pass through the cell membrane. Substances that can move into and out of a cell do so by one of three methods: diffusion, osmosis, or active transport.

What biodiversity restoration method can biologists follow to increase the density of trees and the canopy thickness in an area to recreate suitable habitats for wildlife and fight climate change?

biological augmentation

bioremediation

canopy fogging

hotspot protection

reforestation

Answers

Reforestation is a biodiversity method that can increase the biodiversity by replanting with trees. Reforestation will help forest recuperate from logging, rest fires and human abuse. Replanting trees will increase the density and variety of the trees and by doing so, wildlife will also increase. Although reforestation is a common approach to relive forest, forest management is still needed to maintain the endemic or native species.

Answer:

The Correct Answer is "Reforestation".

Explanation:

Reforestation is the genuine and intentional method of re-establishing remain forests that have been decreased by various human and natural activities such as deforestation and natural calamities.Reforestation develops the quality of human life by drenched up pollution and dust from the Air.Scientist and biologists use the reforestation method to increase the density and thickness of the trees and also plant more and more trees.

The brain of a person with alzheimer's disease shows excessive amounts of

Answers

the protein 
β-amyloid (Aβ)

Answer: The person who has Alzheimer's disease shows excessive amount of amyloid plaques and tangled bundles of fibers.

Explanation:

The symptoms of the Alzheimer's disease shows many symptoms which includes memory loss, language problem and many other unpredictable behaviors.

The presence of tangles and plaques in the brain are reason of Alzheimer's. The loss of connection between the nerve cells shows many symptoms like abnormal behavior, loss of memory et cetera.

In carpal tunnel syndrome, the __________ is compressed. in carpal tunnel syndrome, the __________ is compressed. axillary nerve median nerve radial nerve musculocutaneous nerve

Answers

median nerve is compressed



Final answer:

In carpal tunnel syndrome, the median nerve is compressed due to inflammation or overuse of the tendons passing through the carpal tunnel. This results in symptoms such as pain, numbness, and muscle weakness within the hand.

Explanation:

In carpal tunnel syndrome, the median nerve is compressed. This nerve is part of the arm and lies between the ulnar and radial nerves. It passes through the carpal tunnel, a passageway formed by the carpal bones and the flexor retinaculum, a strong ligament in the hand.

This tunnel creates a path between the anterior forearm and the hand, forming an area for the tendons of nine muscles of the anterior forearm and the median nerve. When overused or injured, these tendons can swell causing compression of the median nerve. This results in carpal tunnel syndrome which is characterized by pain or numbness, and muscle weakness in the areas of the hand supplied by this nerve.

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As plants grow, stems and branches thicken or increase in girth. This thickening is a result of cells in the vascular cambium. Vascular cambium can develop into either xylem or phloem tissue within a plant. Because of this unique ability, we would expect vascular cambium cells to have all but one of these characteristics.

Answers

woody, re-inforced cell walls. We would not expect vascular cambium to have woody, re-inforced cell walls. We  would expect vascular cambium to be simple, undifferentiated cells that are capable of rapid cell division. 

C.

Explanation:

did this as of may,16th 2019. Ugh biology usatestprep a pain.

Gila Monsters are one of two types of venomous lizards in the world. If you wanted to avoid coming across the Gila Monster when hiking in Arizona you would want to avoid __________ and __________ because Gila Monsters are crepuscular.

Answers

"Crepuscular" means active at dawn and dusk, so if you wanted to avoid coming across the Gila monster when hiking in Arizona you would want to avoid dawn and dusk. 

Answer:

Gila Monsters are one of two types of venomous lizards in the world. If you wanted to avoid coming across the Gila Monster when hiking in Arizona you would want to avoid dusk and dawn because Gila Monsters are crepuscular.

Explanation:

 

Gila Monster avoid the heat for this they spend their time in burrows during the day. They are crepuscular, theirs activity is at dusk when the sun is setting and at dawn when the sun is rising. Gila Monster individuals avoid the heat and bright of the sun.    

The scientific name is Heloderma suspectum, The colorful Gila monster is threatened by increasingly hot and dry weather.

Which of these terms describes both carbohydrates and protein?

A.macromolecules

B.lipids

C.elements

D.atoms

Answers

its definitely lipids lol

If a single mutation turns off the growth of some pairs of legs within an organism what's most likely affective

A.) A deleted gene
B.) A Hox gene
C.) A substituted gene
D.) A duplicated gene

Answers

If a single mutation turns off the growth of some pairs of legs within an organism a hox gene will most likely be affected. so the answe is (b)

Ans.

In vertebrates, genes responsible for the growth and development of limbs in developing embryos are known as Hox genes (homeotic-box genes). Along with limb development, these genes include a group of genes that control the head-tail axis and body plan of developing embryo.

A single mutation in a Hox genes can lead to formation of mutated Hox protein and turn off the growth of legs in an organism.

Thus, the correct answer is 'option B). a Hox gene.'


 

Calcite and aragonite minerals that constitute clam shells are examples of which method of mineral formation?

Answers

The answer is biomineralization, which occurs when minerals are produced by living organisms. This often provides more protection due to the hardening of natural tissue in the organism. In mollusks and clams, the the biomineralization process that forms the shell can make it 3,000 times stronger than the individual minerals.

The correct method of mineral formation for calcite and aragonite minerals that constitute clam shells is biogenic precipitation.

Biogenic precipitation is a process where minerals are formed as a result of biological activity. In the case of clam shells, the organism (clam) extracts calcium and carbonate ions from the surrounding water to form the minerals calcite and aragonite, which are both calcium carbonate (CaCO3) but have different crystal structures. These minerals are then deposited in an organized manner to create the hard, protective shell of the clam. This biological process is a key example of biomineralization, where living organisms produce minerals that often have specific functions, such as providing structure and protection.

In which stage of the design process does the designer conduct a beta test

Answers

Final answer:

A beta test in the design process is conducted during the testing and evaluation phase, after creating prototypes and before finalizing the design for implementation.

Explanation:

In the design process, a beta test is typically conducted during the testing and evaluation stages, after a prototype has been developed. Beta testing is part of the iterative process of refinement, where the prototype is evaluated to discover any weaknesses or potential improvements within the design. This may involve multiple iterations, with each one designed to enhance the previous version. If the beta test reveals significant issues, the design process may return to earlier stages, such as revisiting the design concept or making more prototypes. Only once the design has been sufficiently refined and meets all the criteria and constraints is it ready for implementation and, ultimately, manufacturing and selling. This iterative and spiral process is essential for creating a high-quality, reliable design ready for the market.

For a given po₂, hemoglobin unloads more oxygen at ____________ temperatures.

Answers

temp-hgher temp results in more unloading bohr effect-A more active tissue generates more CO2, which lowers its pH and that induces more O2 unloading bisphosphoglycerate (BPG)-A metabolite in RBCs that binds to oxyhemoglobin and promotes O2 unloading

BIOLOGY PLEASE HELP!!!

Describe the arrangement of the lipids in the cell membrane and explain how this arrangement benefits the cell.

Answers

Lipids are apart of the cell membrane and they are known as phospholipids becuase they have both a polar and an nonpolar side.
The head is polar
and the body is nonpolar. This keeps the outside of the cell and the cell differentiated.
the phospholids tails (the non-polar part) are unsaturdated fattty acids.
Unsaturdated fatty acids are chains that are not straights and are slightly bent(kinks) This allows for the cell membrane layer to be fluid

Which piece of lab equipment is used to measure the mass of a chemical sample? A) balance B) thermometer C) spring scale Eliminate D) graduated cylinder

Answers

Answer:

the awnser is A balance

Explanation:

Balance is used to measure the mass of a chemical sample. So, the correct option is (A).

What is Lab Equipment?

Laboratory equipment is a variety of tools and equipment used by scientists working in a laboratory. This allows students to do experiments instead of just reading about them. They can observe and complete exciting experiments instead of taking monotonous notes. This makes it easy to grasp challenging principles and concepts.

Types of Lab equipment's present in the lab.

Safety GogglesLatex GlovesLab CoatsBiohazard Waste ContainersFirst-Aid KitsFire ExtinguishersGraduated CylindersVolumetric Flasks

Several equipment have specific work in the lab like Balance is used to measure the chemical sample's mass. Thermometer is used to measure the temperature.

Thus, Balance is used to measure the mass of a chemical sample. So, the correct option is (A).

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Which of these actions is the BEST evidence that waves can cause objects to move?A.) speed boat races in circles around the lake,B)A teenager swims to shore after an ocean swim.C)A surfer rides back to the beach on his surfboard.D)A dog fetches a ball tossed in a lake and brings it back to the dock. When the bodybuilding started who was considered the best? What relationship exists between two variables when their ratio is a constant? Please help :) thank you Research shows that obesity has caused a dramatic rise in cases of __________ in children. In a specific to general arrangement ,transitions Which of the following is the main reason to use titration in chemistry?to write a balanced chemical equation for a reactionto calculate the number of moles of an acid or baseto use stoichiometric ratios for converting molesto find the molarity of an unknown acid or base GRASS BLANK BOBCATWhich animal completes the food chain?A) RabbitB) TigerC) BearD) Fish The cabinet includes one member who is not the head of a department. What is that persons title? Who is that person right now? what was the significance of the massacre at wounded knee? why did congress pass a law to decrease immigration from asia ? Complex conversions between units may require using what type of conversion factor The student union sells a total of 7,200 scoops of ice cream each week at a price of $2.00 per scoop. if every student who buys ice cream has the demand curve shown above, then there must be ______ students purchasing ice cream each week. Marisa is keeping track of how many miles she runs.after her run on July 12 she had run a total of 7miles if she runs 3miles each day after that what is total numbers of miles she will run after her run on July 18 3/4(3x+6)1/4(5x24) What is the midpoint of AB if A = (2, 2) and B = (3, 1)? A. (1/2,1/2) B. (5/2,3/2) C. (-1/2.-1/2) D. (-5/2,-3/2) Sound judgement based on knowledge and understanding of the truth is? A:prejudiceB:fear C:wisdom Yams were both an important agricultural product and a mainstay of artistic creation for which people Compute the acceleration of gravity for a given distance from the earth's center, dist_center, assigning the result to accel_gravity. the expression for the acceleration of gravity is: (g * m) / (d 2), where g is the gravitational constant 6.673 x 10-11, m is the mass of the earth 5.98 x 1024 (in kg) and d is the distance in meters from the earth's center (stored in variable dist_center). sample output for the given program: 9.803495445209855 Which area would be most likely to have the SMALLEST population?A)B)C)D) Steam Workshop Downloader