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Kisachek [45]
3 years ago
12

Will give Brainliest, need help!

Biology
1 answer:
gayaneshka [121]3 years ago
7 0
I Think The answer is d I hope it helps just Trying To help The best I can
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When the Grand Canyon was forming, a population of squirrels were separated into two groups. The north side of the canyon is at
mariarad [96]

Natural selection lead to different species when the squirrels were separated, some of them acquired traits better suited for their new environment. This allowed them to survive and reproduce better than others. Over time, each group evolved to display unique traits for their different environments until one species evolved into two.

Explanation:

The speciation in the squirrels due to the barrier in canyon occurred due to this. Such speciation is called allopatric speciation.

Speciation leads to formation of new species from the existing species due to change in their habitat or physical structure.

The squirrels on the two different side of canyon adapted to the habitat they are in. Their reproductive cycles, habitat and adaptation mode has become different due to the change in environment.

The species of squirrels became two as they reproduce and passed on the traits for survival in the environment which they had adapted.

The squirrels have become <em>reproductively isolated</em> also.

Genetic divergence takes place due to natural selection as squirrels arenow two different species.

6 0
3 years ago
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How do all body systems work together when you touch a thorn?
oksano4ka [1.4K]
A reflex action is a way for the body to automatically and rapidly respond to a stimulus to minimise any further damage to the body.
7 0
3 years ago
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Cross bridges are created when myosin heads bind to _____
lord [1]
<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium. 

Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
3 0
3 years ago
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
Anika [276]

Answer:

50%

Explanation:

I used a punnet square

have a good day :)

8 0
3 years ago
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why would shuffling genetic material to produce new combinations of characteristics be advantageous to a species?
Radda [10]

Answer:

Suffling of genetic material increases genetic variation in offspring which is important for evolution.

Explanation:

Genetic shuffling or genetic recombination helps in the formation of new trait combinations which increase the genetic variation in the population and this genetic variation is very much important for the evolution of species.

In sexual reproduction, the genetic shuffling occurs during the formation of gametes when the two homologous chromosomes exchange their genetic material with each other. This increase variation in gametes.

Fusion of two different gametes in sexual reproduction also helps in increasing the genetic variation in the offspring.

8 0
3 years ago
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