Answer:
a) Inbreeding
b) Decreased
Explanation:
Florida panther is considered an endangered species that is found in very few numbers in the environment.
In the given question,
a) The Florida panther scattered in the mountains which could affect the flow of the genes (migration). When it mated with the other sub-species, it could have led to the inbreeding.
b) Since the lion scattered in the mountains, the gene flow could have occurred and this could have decreased the genetic variation in the population of the Panthers.
Answer:
a) Gene flow in a genetic population is defined as the transfer of genetic variation from one population to another.
Gene flow is considered as one of the impotant mechanism of genetic diversity in a population. Migrant affects the genetic diverisity in a population by modifying the allele frequencies.
When florida Panthers introduced with subspecies of mountain lions it increases the genetic flow in the population of mountain lion as the florida panther were carrying a particular variant of a gene.
B) Due to high genetic flow the genetic vriation in the population will decrease between the two groups and results in increasing homogeneity. High rate of gene flow lead to a combination of the two gene pools that reduces the genetic variation. Hence, genetic variation will decrease in the mountain lion population.
The shortest day of the year in the northern hemisphere is
December 22
March 21
June 21
September 22
HURRY QUICK
Answer:
December 22nd
Explanation:
What are the Different stages of stars life cycle
Answer:
The stages of most stars life in order are: A Protostar, Main Sequence, Red Giant B Protostar, Main Sequence, Red Dwarf C Main Sequence, Red Dwarf, Protostar D Red Giant, Main Sequence, Protostar E Nebula, Protostar, Red Dwarf. 2 What does a protostar have to do to become a star? A Nuclear fusion in its core. B Nuclear fission in its core.
what is a vertabrate
Answer: an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
Explanation:
Answer:
my back! JK
Explanation:
a creature of an enormous gathering recognized by the ownership of a spine or spinal section, including warm blooded creatures, fowls, reptiles, creatures of land and water, and fishes.
The fox and cooper’s hawk would be ___________________ consumers and considered ______________ predators in this food web.
Answer:
The correct answers are "tertiary; top".
Explanation:
Tertiary consumers are animals that eat other animals that are carnivorous as well. This is the case of the fox and the cooper's hawk. Foxes are omnivore animals that eat other animals like mice, which eat insects that eat plants sequentially. Cooper's hawks are also tertiary consumers, since they eat animals that are secondary consumers like frogs. This characteristic of both the fox and copper's hawk make them top predators in food webs.
Final answer:
The fox and cooper's hawk are higher-level consumers and efficient predators within a food web, maintaining ecological balance by controlling prey populations. They and their prey have adaptations for survival through natural selection. If removed from the food web, it could lead to shifts in the roles of other species.
Explanation:
The fox and cooper's hawk would be higher-level consumers and considered efficient predators in a food web. As higher-level consumers, they prey on various organisms below them in the food chain, including primary consumers like caterpillars and other smaller animals. Their role as predators is crucial for maintaining the balance in an ecosystem as they help control the population of these primary consumers.
Predation involves adaptations that both predators and prey develop through natural selection, such as camouflage. This is seen in both terrestrial and aquatic ecosystems, as demonstrated by the varied predatory relationships within food webs. The adaptations ensure the survival of these species within their respective habitats, allowing them to effectively hunt or evade predators.
In the case of food webs, secondary and tertiary consumers play a role in keeping the system balanced. If one species were to be removed, others in the web could potentially shift roles, although this is an oversimplification as entire ecosystems can be affected by the loss of a single predator or prey species.
mouth, pharynx, esophagus, stomach, _______
Answer:
mouth, pharynx, esophagus, stomach, Small Intestine.
Large Intestine.
Rectum.
Accessory digestive organs: liver, gallbladder, pancreas.
Is the gene that cause hemophilia recessive or dominant? Use the image to explain your reasoning
Answer:
Sample answer:
It’s recessive. The mother who is a carrier is heterozygous, but she does not have the disease. The only offspring who have the disease are the boys who inherited one mutated gene.
Hemophilia is a recessive genetic disorder. It is only observed when present in homozygous condition (XhXh).
What is Hemophilia?Hemophilia is usually an inherited bleeding disorder in which the blood does not clot properly in an individual. This condition can lead to spontaneous bleeding in the individual as well as continuous bleeding following injuries or surgery. Blood contains many proteins which are called clotting factors that can help to stop bleeding.
Hemophilia is a recessive disorder. In this condition, the mother who is a carrier is heterozygous (XhX), but she does not have the disease. The only offspring who have the disease are the males who have inherited has one mutated gene.
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What are diseases such as a strep throat and Athlete’s foot caused by?
miasma
decaying matter
microorganisms
temperature changes
Answer:
c. Microorganisms
Explanation:
Microorganism are the microscopic organisms present in environment such as bacteria, fungi and virus.
Strep throat is a infection of throat caused by a "Group A Streptococcus bacterium". The diseases of strep throat causes large red patches on the skin. some of the symptoms of strep throat include fevers, chills and blisters.
Athlete's foot is a feet infection caused by different fungi such as trichophyton, microsporum and epidermophyton. Symptoms of Athlete's foot include scaling, itching, redness and cracking.
Hence, the correct option is c.
The majority of people in United States work in the___industry A agriculture B fishing C mining D service
Answer:
D. service
Explanation:
Most people in the US work in jobs that require providing a service to others, whether it's at a restaurant, a department store, a school, etc. Yet, those who work in specialised jobs like agriculture, fishing, and mining are more rare because they need to live in a certain area that is optimal for such positions.
Thus, the answer is D.
Answer:
D service
Explanation:
In terms of jobs, the most popular sector in America is service sector. These include accountants, teachers, etc.
List and describe the evidence for the
plate tectonics theory.
Answer:
The shapes of continents fit together like a puzzle. The matching coastlines show where the continents broke apart. Identical rocks that formed over 200 million years ago have been found on different continents.
Explanation:
If I'm right help me out leave a five stars and like
1. What does the water cycle describe?
Answer:
The water cycle describes the continuous movement of water as it makes its way from the ocean, to the atmosphere and back down to earth again.
Explanation:
WILL GIVE BRAINLIEST
Match each type of lipid to its characteristics. Drag the items on the left to the correct location on the right. (photo attached)
phospholipid -> two fatty acids, a glycerol molecule, and a phosphate group
triglyceride -> three fatty acids and one glycerol molecule
steroid -> four fused rings
triglyceride -> forms saturated or unsaturated fats
phospholipid -> provides fluidity to the cell membrane
steroid -> present only in animal cells
I got you <33 and I see it perfectly ! :)
Both triglycerides and phospholipids contain a gylcerol backbone. Steriods contain fused rings and are only found in animals.
Phospholipids and triglycerides share a common structural feature in common and that is the presence of a glycerol backbone in the molecule. Glycerol is a three carbon compound. In a phospholipid, there are two fatty acids and a phosphate group attached to the carbon atoms. In a triglyceride, there are three fatty acids that attach to each of the carbon atoms.
Steriods are composed of fused rings and are found in animals. They play very important roles in the body. An example of a steroid is cholesterol.
Matching the items on the left and right of the image;
phospholipid - two fatty acids, a glycerol molecule, and a phosphate group/provides fluidity to the cell membrane
triglyceride - three fatty acids and one glycerol molecule/forms saturated or unsaturated fats
steroid- four fused rings/ present only in animal cells
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The Milky Way a section of the universe smaller in size than our solar system, true or false
Answer:
The answer is false, because our solar system exists inside the Milky Way.
Explanation:
Explain, in complete sentences, how hybrid cars help each of the following problems.
1. Most conventional(regular)cars don’t get great gas mileage.
2. Electric car batteries need to be recharged constantly.
3. Conventional (regular) cars burn gas even when stopped
at a red light.
This is about hybrid cars please answer these 3 questions 29 POINTS!!
Final answer:
Hybrid cars help improve gas mileage, eliminate the constant need for battery recharging, and reduce fuel consumption when stopped at a red light.
Explanation:
Hybrid cars help each of the following problems in the following ways:
Most conventional cars don't get great gas mileage: Hybrid cars have better fuel economy compared to conventional cars, especially in stop-and-go traffic. They achieve this by using an electric motor and a small internal combustion engine coupled to a generator, which charges the onboard battery. Additionally, hybrid cars can utilize regenerative braking to generate electricity during braking, further improving fuel efficiency.
Electric car batteries need to be recharged constantly: Hybrid cars overcome the limited range of electric cars by using a small internal combustion engine to drive the electric motors and recharge the battery when needed. This eliminates the need for constant recharging and allows hybrid cars to travel longer distances without relying solely on electricity.
Conventional cars burn gas even when stopped at a red light: Hybrid cars have a feature called auto stop-start, which automatically shuts off the internal combustion engine when the vehicle is stopped or coasting. This helps save fuel and reduces emissions because the engine is not burning gas unnecessarily while idling.
How might bird species A and B come into contact with DDT, a pesticide used by farmers?
Answer:
By birds that ate or were in contact with plants that were sprayed with DDT .
Explanation:
Dichlorodiphenyltrichloroethane (DDT) is a versatile pesticide used in agriculture to combat insect plagues. DDT has been prohibited in many contries because this insecticide might cause health problems in humans, especially during fetal development.
Which maps is an example of a Mercator projection?
Answer:
1st option
Explanation: just finished it
Which of the following correctly describes what a mutation is?
A. A change in in the DNA code of an organism
B. A change to a gene of an organism
C.A change to the nucleotide sequence
D.All of the above
The answer is D, all of the above.
the blood veins is
a.leaving the lungs.
b.moving in a single file
c.traveling to the heart.
If you were explaining equilibrium to a classmate, which of the following statements might you make? (1.0 points)
A)When there is an equilibrium change, signals to maintain balance are sent from the medulla oblongata to the vestibulocochlear nerves.
B)When there is an equilibrium change, signals to maintain balance are sent to the cerebellum and thalamus.
C)Commands to maintain equilibrium are sent to the cerebral cortex, whereas information about equilibrium is sent directly out to the body.
D)Commands to maintain equilibrium are sent directly out to the body, whereas information about equilibrium is sent to the cerebral cortex for conscious perception.
Answer:
D
Explanation:
Your brain sends out the commands to the effectors in the body, but the sensors around the body send information to be processed in the brain about equilibrium.
explain using an example how a new species of organisms can evolve?
Answer:
New species form by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations. Speciation involves reproductive isolation of groups within the original population and accumulation of genetic differences between the two groups
Hope it helps :)
What is unique about a simulation that is not necessarily true about all models?
Answer:
Explanation:
Simulation is imitating a process. It is doing exactly like a system will do. It can be used in technologies, education, health, training,
safety engineering. Simulation can be used when the original or exact system is not in place, or cannot be accessed.
A model is a process that helps to understands a system. A model is like an example to follow in achieving a result. A model may not be followed judiciously such that you may require an aspect of the model and then use but not necessarily all attributes while a simulation does exactly what the system does.
A P E X
What is produced in a lymph node?
A. Red blood cells
B. Antigens
C. White blood cells
D. Lysozymes
Answer:
c
Explanation:
white blood cells.
God bless
(PLASE HURRY)Which phrase describes estuaries? are made of fresh water only / are areas where rivers flow into lakes/ are homes to unique plants and animals/ are places where all of Virginia’s water drains
Final answer:
Estuaries are biomes where fresh water from rivers meets the ocean, resulting in brackish water that is home to unique plants and animals, with salinity influencing the organisms' adaptations.
Explanation:
The phrase that best describes estuaries is that they are homes to unique plants and animals. Estuaries are biomes where a river meets the ocean, creating an area where both fresh water and salt water mix, resulting in brackish water. This environment forms protected areas that are crucial for the life cycles of many organisms, including the spawning and development of young sea creatures like crustaceans, mollusks, and fish. The salinity in estuaries is a significant factor that influences both the types of organisms found there and their adaptations to the changing environment. High and low tides bring about changes in the salt water content of estuaries, contributing to their unique biodiversity.
Which space station was the first to involve several countries working together?
Answer:
the Soviet space station Mir
Explain why the father determines the sex of the child:
Answer:
the father's the one because he's the only one with the y chromosome hence if the sperm containing the y chromosome fertilises the ovum then the kid is a boy and if its the one with the x chromosome then its a girl
Answer:
In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively. Hormone levels in the male parent affect the sex ratio of sperm in humans.
Explanation:
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Forever friend and helper,
Cammie:)
Which causes a drop in female hormone levels?
the onset of the menstrual flow
if an egg is released from the ovary
if the uterine wall thickens
if the egg is not fertilized
Answer
If the uterine wall thickens
Explanation:
A,B,D, these are all things that happen on a daily to women and most of them still have good horomone levels
When the egg is not fertilized that causes a drop in female hormone levels. So, the correct option is D.
What are Female hormones?Sexuality and fertility are influenced by the three primary reproductive hormones are estrogen, testosterone, and progesterone. Pregnancy, puberty, menstruation, menopause, sex drive, sperm production, and other processes are all controlled by them. These hormones are made in the testes in males and ovaries in females.
The ovaries release the main female sex hormones. The ovary releases female gametes or eggs during ovulation. Following the discharge of the eggs, the ovary forms a corpus luteum, which secretes progesterone and oestrogen to prepare the uterine lining for a prospective pregnancy. The level of female hormones decreases when the egg is not fertilized.
Therefore, the correct option is D.
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Thylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. What are saber teeth for these organisms?
A.analogous structures
B .homologous structures
C.vestigial structures
D.mutated structures
Answer:
Analogous structures
Explanation:
Analogous structures are characters that derived separately in two different species to achieve the same function. If the Thylacosmilus and Smilodon don't share an ancestor then saber teeth must be analogous
Answer:
The answer is A
Explanation:
Which best compares habitat and niche? Niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. Habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. Habitat is a group of organisms that live in an area, and niche is a specific species that lives in that area. Niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.
Answer:
Habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat
Habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat, hence option B is correct.
What is the habitat?An ecosystem's habitat and niche are critical components. They aid in explaining how an organism interacts with its surroundings, including biotic and abiotic elements.
Ecological interactions are the subject of research. There is a slight difference between the words “habitat” and “niche.”
Only after an ecology develops and niches are incorporated into it does a habitat become active (realized habitat). This process, known as habitat differentiation, is intricately linked to the existence of a healthy ecosystem.
Therefore, they inhabit different habitats, it is feasible for two animals to share the same niche (same function) within an ecosystem.
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A retreating glacier forms an are of rocky material. When primary
succession occurs, which organisms will help create the soil by breaking
down bare rock?*
A Insects
B Lichens
C Grasses
D Deciduous trees
Answer:
Explanation:
As ecosystem moves through the stage of succession the population of organisms in them change which of the following describes the stage of succession likely to have the most biodiversity
Please help!!
If two transparent materials cause light to bend at different angles, the two transparent materials MOST likely have different __________.
A)focal points
B)densities
C)transparencies
D)wavelengths
Answer:
Transparency is the ability to "see through"
Explanation:
The answer is densities,B. depending on the density of an object, which means less transparent, if the object has more density, means it is more solid and less transparent...
Moin took some soil and measured the concentration of nitrogenous compounds in it. He distributed the soil equally in two pots- P and Q which he placed in sunlight.
He planted 10 sunflower seeds in Pot P and allowed them to grow. He did not grow anything in the Pot Q.
After one month, he tested the concentration of nitrogenous compounds in both the pots.
What do you think was his observation?
Answer: The nitrogenous compounds in the Pot P will be depleted and the Nitrogenous compound in the Pot Q will have same amount of it.
Explanation:
Moin took soil and put into two pots. In one of the pot which he labelled P,planted sunflower seeds.
Whereas, the pot Q he left as it is with no plantation in it. The observation after few days will be that the level of nitrogen in the pot P will be less compared to the pot Q.
Nitrogen is one of the important micro nutrient which serves many important functions in the plant body. It is the main component of chlorophyll and is important in enzyme synthesis.
Hence, pot P will have its nitrogen consumed by the plant and pot Q will have nitrogen in its soil.