_5. Natural selection causes the frequency of favorable alleles to
a. decrease in a population
b. remain constant in a population
c. increase in a population
d. vary widely in a population

Answers

Answer 1

Answer:

decrease in population

Explanation:

decreasing population


Related Questions

Below are 2 sets of organisms: a bird and a butterfly and a horse and a zebra. Which 2 organisms are more closely related? *
Help Me I will give 70 points!!!

Answers

Horse and a zebra because they are a lot a like to the horse

In this food web, energy is transferred directly between which organisms?





Answer
F
fox and owl

G
grasshopper and mouse

H
mushroom and snake

J
rabbit and ow

Answers

Answer:H mushrooms and snake

Explanation:

i think it’s grasshopper & mouse

identify which law is newtons 1st law

Answers

Answer:

If something is at rest it will stay at rest UNTIL a force acts upon it same thing if it is moving it will go in a straight line unless an outside force is acted upon it

This law is also known as the law of inertia.

In some ecosystems, wolves have been eliminated due to their threats to humans. How can the reintroduction of wolves benefit the
ecosystem?
.
A. It can eliminate weaknimals from a prey population, thereby decreasing competition for natural resources.
the prey.
B. It can eliminate the most fit animals among the prey population, which will cause an increase in birthrates
C. It can cause the prey population to migrate to other areas, resulting in more fit prey.
D. It can cause the prey population to better blend in with their environment.

Answers

Answer:

A

Explanation:

Answer:

The reintroduction of wolves can eliminate weak animals from a prey population, thereby decreasing competition for natural resources.

Explanation:

How are birds adapted for flight? A. Their body shape; B.Smooth waxy feathers; C.Hollow bones; D. Beaks

Answers

Answer:

Hollow bones is the correct answer.

Explanation:

As hollow bones makes the density of bird less than air that's why birds can fly easily

Answer:

hollow bones

Explanation:

Suppose a trait is controlled by a gene that has one dominant allele (G) and one recessive allele (g).

Which of the following crosses would be expected to produce the greatest variety of genotypes among the offspring?

Answers

Answer:

Gg x Gg

Explanation:

Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.

What is Punnett Square?

A Punnett square is defined as a graphical representation of the possible genotypes of the offspring resulting from a particular cross or breeding event. Creating a Punnett square requires knowledge of the genetic makeup of the parents.

For a monohybrid cross, Punnett squares are 2X2 squares containing four boxes where each represents a fertilization event between the original gametes. While the second type is used to predict the outcome of breeding experiments where two traits are being observed and the Punnett square is large with sixteen boxes.

In the above example, if a Gg x Gg cross occurs, the genotype for the children will be Gg, which would be expected to produce the greatest diversity of genotypes among the offspring, i.e. 100%.

Thus, Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.

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ILL GIVE BRAINLIEST. plsss help asap

Answers

Answer:

Without living space, the owl will not be able to reaise their young I belive.

Explanation:

As you know owls always decided to ret on tree ranches thats also where they lay there nest and raise their children. if im wrong im so sorry

Answer: without living space the owls will not be able to raise their young

Explanation: hope this helps

Set a point number of chromosomes in a human skin cell as 46 how many chromosomes are and a human egg cell?

Answers

THERE ARE 23 CHROMOSOMES

How does the solar system work

Answers

Answer:

Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.

Answer:

Solar technologies convert sunlight into electrical energy even through photovoltaic PV panels or through mirrors that concentrate solar radiation. This energy can be used to generate or be stored in batteries or thermal storage.

factors that affect blood flow through the bone marrow​

Answers

Insufficient amount of nutrients such as iron, vitamin B12, or folate, affects the bone marrow's ability to produce normal red blood cells; those produced may be small (microcytic), large (macrocytic), and/or may have decreased amounts of hemoglobin inside them (hypochromic).

20 POINTS

ARE NATURAL GAS RENEWABLE OR NON-RENEWABLE?

Answers

non- renewable energy
Answer:

Natural gas is non-renewable, but some alternative forms of natural gas like biomethane are renewable.

How are a good chain and a good web different

Answers

Answer:

Explanation:

A food chain only follows one path of what food animals eat. A food web consists of many food chains that show how plants and animals are connected. In conclusions, a food chain focuses on a certain animal or their path and they are linear. Food webs are more complex which show how the ecosystem works together to create a balance.

Answer:

A food chain goes in one drection and a food web is more complex and is a whole system of connected food chains.

Explanation:

NEED HELP ASAPPPPP!!! PLSSS

Answers

parent 1 genotype: hh

parent 2 genotype: hh

each hand has a straight thumb.

straight thumb: 100%. Hitchhikers thumb: 0%

punnet square:

What does the presence of gill slits in a human embryo suggest?

Answers

Answer:

The presence of the gill slits suggests that a long time ago humans and fish shared a common ancestor. The similarities between embryos suggest that these animals are related and have common ancestors.

Explanation:

Which of these best describes savannas?

Answers

Answer should be A if multiple choice

Answer: sry but I don't think you added any thing but, it has little tofs of grass and pretty dry.

natural selection acts on

Answers

Answer:

Natural selection acts on a organism's phenotype or observable features.

Explanation:

Hope this helped Mark BRAINLIEST!!

HELP NEEDED ASAP 20 POINTS


Describe the mass and surface temperature of the supergiant stars in your own words

Answers

Supergiant stars can have masses from 10 to 70 times greater than our Sun. When it comes to brightness, some of them can be from 30,000 times or brighter than our Sun. The temperature range of a supergiant spans from around 3,450 K to 20,000 K. The absolute visual magnitudes between -3 and -8.

A 100% of the energy that count and to an ecosystem comes in at level of the ______ which gets its energy from the sun and makes it's own food by photosynthesis​

Answers

Answer:

trophic levels !!!!!!!!!!!

What is the success rate of implementation of transgenic embryos in surrogate dams? A) 50% B)100% C)25% D)<12.5% E12.5%

Answers

Answer:

D)<12.5%

Explanation:

Transgenic means one or more than one DNA sequences are introduced from another species by an artificial means into a surrogate dams to form a new offspring. Animals are usually make transgenic by a small sequence of the foreign DNA which is injected to the developing embryo of the surrogate mother.

The success rate for such implementation is nearly less than 12.5%, where most of the trial do not survive the injection. The surrogate mother cannot developed in most cases the implementation of one or more species into another.

Help me please pink green yellow green

Answers

Answer:

pink green yellow green.

sorry, but I don't get yr question.

stay safe healthy and happy.

Pink green yellow green pink and green make gray and yellow and green make lime

what compounds can sulfur create ? what are these compounds used for ?​

Answers

Answer:

The element sulfur is used in matches, insecticides, and fungicides. Many sulfur compounds are odoriferous, and the smells of odorized natural gas, skunk scent, grapefruit, and garlic are due to organosulfur compounds. Hydrogen sulfide gives the characteristic odor to rotting eggs and other biological processes.

describe the greenhouse effect

Answers

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The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.

______________________

The secret of life. The double helix. The building block of life. Deoxyribonucleic acid. These are all names for what is most commonly known as DNA. If you had to rename the molecule, what would you call it and why? Explain why DNA has so many names.

Answers

Answer: Well... I would say nucleic acid is also one

Explanation: Why DNA has so many name? Because the word DNA comes from its structure also consider as bases, Which refers to to all the sugar that brings up in the nucleic acid, and thats why I call it that.

I hope this helps:)))

what would be the complementary RNA strand for a portion of the DNA that reads as follows: T-A-G-A-C-G-T-A-G

Answers

Answer:

R

Explanation:

Remember that  

A

is adenine,  

G

is guanine,  

C

is cytosine, and  

T

is thymine.

The complementary RNA strand for T-A-G-A-C-G-T-A-G DNA portion is A-U-C-U-G-C-A-U-C.

What is complementary RNA?"Complementary RNA is a copy of a strand of RNA that will bind to the appropriate region of the original molecule."RNA contains nucleosides- Adenine, Guanine, Cytosine and Uracil (In DNA Thymine is present instead of Uracil)Adenine bonds with Uracil and Guanine with Cytosine.

Hence, A-U-C-U-G-C-A-U-C is the complementary RNA strand.

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The graph below shows the populations of two species from January 2010 to June 2011. One species is native to the ecosystem, while the other is a new species that was recently introduced to the ecosystem.


What is the most likely explanation for the changes to the populations of species A and species B?


Species A is a native species that preys on species B.


Species B is an invasive species that altered the balance of the ecosystem shown.


Species A is an invasive species that cannot compete with the native species in the habitat.


Species B is a native species that is able to adapt to a sudden climate change while species A cannot.

Answers

Answer:

Species B is an invasive species that altered the balance of the ecosystem shown.  

Explanation

An invasive species is an introduced organism that negatively alters its new environment

what is the major difference between the normal stomach cells and cancerous stomach cells of the chicken?

Answers

Explanation:

cells and cancerous chicken stomach cells, excluding interphase, which had a dramatic difference. ... The stage that held the most difference was Interphase. In normal chicken cells, the duration for interphase was 550 minutes. However for interphase in cancerous chicken stomach cells, it was 380 minutes.

What kind of isolation occurs when two populations of birds have different courtship dances?

Answers

Answer: Also known as ethological isolation, behavioral isolation occurs when two populations are capable of interbreeding but don't because of differences in their courtship rituals.

average clutch Size: Two eggs

Predators: Humans, owls, and birds of prey

Main Prey Species: Small fish such as sardines ...

Species: Six

Explanation:

Behavioral isolation occurs when two populations of birds have different courtship dances.

What is Behavioral isolation ?

Behavioral isolation is defined as when a species becomes reproductively isolated from others due to differences in behavior. It is one way in which nature prevents the inbreeding of species through behavioral differences.

This occurs when populations of the same species begin to develop distinct behaviors that are not recognized or preferred by members in another population. An example of behavioral difference is the mating call when two populations of the same species may have slightly different mating calls.

Thus, Behavioral isolation occurs when two populations of birds have different courtship dances.

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A study has shown 75% of teenage boys drink 1 liter of soda per day. How many 250 ML cans of soda would a boy drink in a week if he drank 1L per day?

Answers

28 cans of 250 ML soda in a week.

According to the study, if the boy drinks one liter of soda per day then, he will drink 28 soda cans of 250mL volume in a week (seven days). Each day, he drink four cans of 250mL.

What is Soda drink?

A soft drink is a drink which usually contains water, artificial sweeteners, and a natural or artificial flavoring agent. The sweetener used in the soda drink can be a sugar, high-fructose corn syrup, fruit juice, a sugar substitute, or combination of these compounds. They may also contain caffeine, coloring, preservatives, and other ingredients.

If a boy drinks 1 liter of soda per day. Then, the number of cans of 250mL soda he drinks in a day will be:

1 liter = 1000mL

Number of cans which a boy drinks in a day = 1000mL/ 250mL

Number of cans of soda = 4

The number of cans which a boy drink in a week i.e., 7 days = Number of cans which a boy drink in a day × number of days in a week

Therefore, the number of cans which a boy drink in a week = 4 × 7

The number of cans of soda = 28

Therefore, the boy drinks 28 cans of soda in a week.

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What is the name of the bond that is formed between a glycerol and a fatty acid

Answers

Explanation:

In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom. During the ester bond formation, three molecules are released. Since fats consist of three fatty acids and a glycerol, they are also called triacylglycerols or triglycerides.

Kenapakah sel haiwan tidak mempunyai bentuk tetap?​

Answers

Answer:

kerana sel haiwan tidak mempunyai dinding sel

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