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IceJOKER [234]
2 years ago
14

Any repeating cycle of biological activity, such as sleep and waking cycles or changes in body temperature, is known as a(n)

Biology
1 answer:
melamori03 [73]2 years ago
3 0

Answer:

circadian clock

Explanation:

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Populations evolve for many reasons. Suppose there is a population of plants that have either purple flowers or white flowers, a
sattari [20]

Answer: natural selection

Explanation:Natural selection, gene flow, gene drift and mutation are the mechanisms for EVOLUTION.

The dominant purple allele must have been acquired from previous parent gene, by natural selection

Definitely the available   alleles from previous flower population were white and purple flowers. But, because the parents of purple flowers exhibit VARIATION, in their gene pool,  they showed dominance over  the recessive white colour flowers in the same population.  

◼ from Darwin’s observation and deduction, Organisms who acquired certain characteristics from variation  tend to survive than others, and therefore pass these inheritable characteristics to their offspring.

◼Thus the purple flowers dominated the population for the available resources, among the other flowers colours, (competitions) therefore it leads to a stable population in size after a period of time., while the white colour flowers are recessive

◼Darwin concluded that, variants of best adaptation will be selected for by natural conditions operating in the environment of the population at that particular period (natural selection).

Based on this, natural selection takes place, and the purple flowers with best variation will have selective advantage (dominance)above white colour flowers(recessive).

Consequently, they have higher survival rates compare to white flowers in the population this is   survival of the fittest by natural selection of purple flowers

The frequency of the white colour flower will reduced because of less manifestation of traits from generation to generation from reduced gene pool due to recessive trait, however the frequency of Purple flower will increase because the number of copies of allele of purple flowers is greater than the total number of all the flowers population( white flowers+purple)

5 0
3 years ago
This cycle differs from all of the other cycles because it occurs:
meriva

Is there supposed to be an image?

4 0
2 years ago
Which type of study design is used in the following scenario:
Rus_ich [418]

Answer:

Explanation:

Because that’s the way it should be

8 0
3 years ago
In the name of the white oak, Quercus alba, Quercus is the species name.
victus00 [196]

Answer: False

Explanation: I took the test :)

8 0
2 years ago
What are the adaptations that help animals to live in their habitats?
Jobisdone [24]
  • <u>Adaptations </u><u>are unique characteristics that allow animals to survive in their environment.</u>
  • <u> There are </u><u>three </u><u>types of adaptations: </u><u>structural</u><u>, </u><u>physiological</u><u>, and </u><u>behavioral</u><u>. Structural adaptations are how the animal's body functions or looks on the ou</u>tside.

What are 3 ways animals can adapt to their environment?

Animals adapt to their environment in a variety of ways; an animal's color, behavior, defense or diet, for example, may serve adaptive functions.

  • Color and Pattern Adaptations.
  • Behavioral Adaptations.
  • Defensive Adaptations.
  • Dietary Adaptations.

What is an example of an animal adapting to its environment?

  • Adaptation can protect animals from predators or from harsh weather.
  • Many birds can hide in the tall grass and weeds and insects can change their colour to blend into the surroundings.
  • This makes it difficult for predators to seek them out for food.

Learn more about Adaptation

brainly.com/question/5082196

#SPJ4

8 0
2 years ago
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