Which layer contains loose connective tissue and has about half of the body's stored fat?
What effect would a drop in the size of the krill population have on the antarctic food web and why?
Answer:
Krill is an zooplankton species that is extremely abundant in Antarctic water bodies. These zooplanktons feeds on phtoplanktons present in the Antarctic water bodies. Therefore, in antarctic food chain Krill belong to primary consumer trophic level. In Antarctic they are source of food for seals, penguins, whales, fishes and birds. These are included in secondary, tertiary and quaternary trophic levels of the food chain. The drop in the size of the krill population will result in limitation of populations of species at higher trophic levels. As, many food chains are interconnected to form a food web therefore, the drop in size of Krill in one food chain will also affect the overall food web of Antarctica.
Scientists often form hypotheses based on particular observations. Which of the following is NOT true of a good hypothesis?
A) A good hypothesis is complex.
B)A good hypothesis is testable.
C) A good hypothesis is logical.
D)A good hypothesis predicts future events.
One important relationship between chemical and mechanical weathering is
Answer:
mechanical weathering can produce smaller pieces of rock that have more surface area for chemical weathering to work on.
Explanation:
As mechanical weathering breakdown the rocks into smaller pieces, mechanically, the chemical weathering on the rocks also increases. This is because smaller pieces of the rock have a larger surface area to volume ration on which chemical weathering can act upon. This even further increases the weathering of the rock.
"in _____________, a radiopharmaceutical is inhaled to obtain a lung scan"
The property of water whereby molecules tend to stick to one another is called:
Adhesion and cohesion effect every water molecule on Earth and their interactions with other molecules.
What is adhesion and cohesion?The ability of similar molecules (of the same substance) to adhere to each other as a result of mutual attraction is the quality known as cohesion. The capacity of distinct molecules or surfaces to attach to one another is referred to as adhesion. Solids, for instance, possess excellent cohesive qualities, which allow them to avoid adhering to the surfaces with which they come into contact.
Cohesion: Water has a natural tendency to attract more water. Adhesion: Water has a tendency to draw other substances to itself. Both adhesion and cohesion are qualities of water that have an effect on each and every water molecule on the planet, as well as the way water molecules interact with the molecules of other substances.
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Fraternal twins are ________ similar genetically than are regular, non-twin siblings.
Final answer:
Fraternal twins are no more similar genetically than are regular, non-twin siblings. Fraternal twins have the same level of genetic similarity as non-twin siblings because they come from different eggs fertilized by different sperm. Their similarity in IQ likely stems from similar environmental treatments rather than genetics.
Explanation:
Fraternal twins are no more similar genetically than are regular, non-twin siblings. Fraternal twins develop from two different eggs that are fertilized by different sperm, meaning their genetic material varies the same as in non-twin siblings. Although fraternal twins may have more similar IQs than do nontwin siblings, this similarity in IQ is likely due to the fact that they are treated more similarly than are siblings in terms of environmental factors, rather than having more genetic similarity.
Interpreting the results of an experiment requires critical thinking skills and the ability to make connections across data. Which skill would most likely benefit a scientist who is doing this?
Answer:
The correct answer is the skill of memorization.
Explanation:
The memorization of the information assists the scientist in recalling all the theories and the facts that are associated with the experiments. In a situation, when the scientist remembers all the things, the assessing of the data would become easier, as he or she can associate the information without considering various sources. Thus, memorization would play an essential part in forming connections through the data.
The presence of a prosthetic implant indicates that the skeleton is definitely not prehistoric.
a. True
b. False
An aquatic food web consists of phytoplankton → krill → seals → sharks. The removal of which component is MOST LIKELY to cause an immediate impact on the food web?
a.phytoplanktonB)krillC)sealsD)sharks
Answer:
A) Phytoplankton
Explanation:
All organisms need energy which they derive by naturally feeding on one another in a series of chain called FOOD CHAIN. The food chain can form a more complex interrelated series called FOOD WEB. All food chains and webs starts with a set of unique organisms called PRODUCERS.
Producers are autotophs that produce their own food via the process of photosynthesis. They are the only set of organisms that have the ability to tap the energy from the sun, which then flows in the food chain as organisms feed on one another.
Phytoplanktons are aquatic producers, hence, they photosynthesize in water. The food chain will be immediately affected if the phytoplanktons (producers) are removed from the food web because there will be no organism to start the energy flow.
How does crossing over add to the genetic diversity of sexually reproducing organisms?
A: It involves segments of two homologous chromosomes trading places.
B: It involves random segregation of the homologous chromosomes to each daughter cell.
C: It involves fertilization of an ovum by any one out of millions of sperms.
the answer is B. it involves random segregation of the homologous chromosomes to each daughter cell
True or false? pathogens can enter the body through animal bites.
Order the taxa from largest (first) to smallest (fifth). 1. first phyla/division 2. second kingdom 3. third class 4. fourth order 5. fifth domain .
In the taxonomic classification system, the correct order from most inclusive to most specific is: Domain, Kingdom, Phylum/Division, Class, Order, Family, Genus, and Species.
To order the given taxa from the most inclusive (largest) to the most specific (smallest), we need to understand the taxonomic classification system. This system, established by Carl Linnaeus, organizes living organisms into hierarchical categories. Starting from the broadest category, the correct order is as follows:
DomainKingdomPhylum/DivisionClassOrderFamilyGenusSpeciesNote that in the original list, Phyla/Division is listed as the largest, which is incorrect. In the correct order, the Domain is the largest category, and Species is the most specific.
What happens when organic molecules decompose?
Energy is absorbed from the environment.
Energy is released.
The products quickly form new ionic bonds.
Answer: Energy is released
Explanation:
Organic molecules has the ability to decompose and release energy in the ecosystem. Energy can neither be created nor be destroyed, it can only be converted from one form to another form.
The organic molecules have energy stored in them, this energy is released when the organic matter is decomposed, it gets into the form of nutrients in soil.
This nutrient is used by plants and this is how the organic molecules transform energy from one form to another.
Which part of a cell is the gel-like fluid in which organelles move?
"what happens to the neurons in your brain every time you learn something new?"
How might abundant amounts of food allow herons to reproduce more often?
Why are the structure and function of the pont du gard described as "marks of roman civilization"?
Amphibians develop special adaptation to live in water and on land.
Although amphibians spend their early lives in water, they undergo..
A-metamorphosis B-regeneration C-molting
to develop ..
A-trachea B-lungs c- gills,
so that they can survive on land.
The correct answer is A metamorphosis and B lungs.
Amphibians develop special adaptation by which they are compatible of living both on land and in water.
The animals that live on land needs lungs to respire and the animals that live in water needs gills to respire.
The amphibians live in water in the starting days of their life as they have gills later they undergo through metamorphosis in which there is a development of lungs to live on land.
1. Perform a cross between two pea plants with the following characteristics: One is heterozygous for the dominant trait of wrinkled seeds (W); the other is homozygous for the recessive trait of smooth seeds (w). Fill in the genotypes of the offspring in the Punnett square. Then state the percentages of each genotype and phenotype of the offspring.
Answer:
Possible Genotypes are Ww and ww
Percentage of genotype Ww - [tex]50[/tex]%
Percentage of genotype ww - [tex]50[/tex]%
Possible phenotypes are Wrinkled and smooth
Percentage of Wrinkled phenotype - [tex]50[/tex]%
Percentage of smooth phenotype - [tex]50[/tex]%
Explanation:
Given -
Parent I is heterozygous for the dominant trait of wrinkled seeds. Thus, its genotype would be "Ww"
Parent II is homozygous for the recessive trait of smooth seeds. Thus, its genotype would be "ww"
The punnet square representing the cross between "Ww" and "ww" is as follows -
W w
w Ww ww
w Ww ww
Possible Genotypes are Ww and ww
Percentage of genotype Ww - [tex]50[/tex]%
Percentage of genotype ww - [tex]50[/tex]%
Possible phenotypes are Wrinkled and smooth
Percentage of Wrinkled phenotype - [tex]50[/tex]%
Percentage of smooth phenotype - [tex]50[/tex]%
All of the following are part of a prokaryotic cell except All of the following are part of a prokaryotic cell except an endoplasmic reticulum. a cell wall. DNA. a plasma membrane. ribosomes.
Answer: Endoplasmic reticulum
Explanation:
The endoplasmic reticulum is a membrane bound organelles which is found in the eukaryotic cell. This is found in the eukaryotic cell that forms a inter connected network of flattened membrane- enclosed in the sacs.
The enclosed sac or tube like structure in the cell is known as cisternae. It is a double membrane bound organelle which helps in the modification and sorting of proteins.
The correct answer is endoplasmic reticulum.
What are three types of eroding action by water?
Answer:
The 3 types of eroding action by water are as follows-
(1) Sliding and rolling- The rock particles or sediments are eroded along an inclined plane either by sliding or rolling down. The coarser particles are generally transported from one place to another by this process and these sediments move at a much slower rate.
(2) Saltation- It is a process by which the sediments are carried from one place to another in a series of jumps. These are comparatively less coarser or medium grained sediments.
(3) Suspension- It is the process by which the sediments are transported from one place to another by suspension, which means that the sediments are dissolve in the solution. These are the finer particles.
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
Answer:
what are the options
Explanation:
An unresponsive, pulseless, apneic patient presents with ventricular tachycardia on the cardiac monitor. after defibrillating the patient, you should:
Territorial behavior does not extend to organisms of different species. please select the best answer from the choices provided t f
The given statement is false.
The territorial behavior is an intra-species social behavior of the organism. In territorial behavior, the organism marks its territory and prevents it from the incursion of the other members of the same species. This behavior is not an inter species behavior, so, the effectiveness of the marking of the territory remains within the same species.
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The prefix 'mono' means _______________ while the suffix 'saccharide' means ______________. Therefore, a ________________________ is a simple sugar. Glucose is a common example used in class.
Two, protein, monosacchraride
Two, sugar, monosaccharide
One, lipid, monosaccharide
One, sugar, monosaccharide
The fact that an individual smokes would be classified as which type of determinant of health?
The phase of mitosis during which the chromosomes move toward separate poles of the cell is
How is a cell like factory?
Cell is like a factory because Cells and factories are analogous because they operate in a methodical manner, with various parts carrying out specific functions to achieve a larger goal. For example, factories produce goods using blueprints, while cells carry out functions like protein synthesis based on DNA instructions
Explanation:Cells are often compared to factories due to their similar functional structures and operations. For instance, a factory has different departments that specialize in different functions, in the same way, a cell has different organelles each performing a specific role to maintain the cell's overall function, much like a factory's assembly line.
Each cell contains genetic instructions in the DNA much like the blueprints used in a factory. The Proteins, which are crucial for most of the cell's functions, are produced in the ribosomes, similar to a commodity being produced in a factory. This analogy is further highlighted by the cell cycle, where cells grow and divide to produce more cells in a controlled and systematic manner similar to a production line in a factory.
As both cells and factories operate in a systematic and controlled manner, with several small components working together to achieve a larger goal — survival in the case of cells, and production in the case of factories.
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