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sashaice [31]
2 years ago
5

Why is variation In a population beneficial

Biology
1 answer:
Aneli [31]2 years ago
8 0
Some of the organisms might have different traits that allow them to survive better than others within the population. That way the population has a greater chance of surviving.
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Which type of protist is photosynthetic and unicellular with a silica shell? A. euglena B. green algae C. diatoms D. plasmodia
IrinaVladis [17]
C. diatom is the answer
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3 years ago
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Nina studies an artificial heart model. The model has tubes that supply an electric current to the model. Nina switches on the c
just olya [345]
<span>Answer
1. electrical signal travels toward the heart
2. signal by the nodes in the atrium</span>
3. the atria contract<span>
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Heart has a pacemaker that will continually send a signal. The primary site of the pacemaker is at the sinoatrial node, on the top right atrium. This node will send a signal to atria (which will cause it to contract) and to the atrioventricular node.
Atrioventricular node located between atrium and ventricle. It will send the signal to the ventricle(by the bundle of his) and cause it to contract.
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2 years ago
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Hom-ozygous tall pea plants look the same as heterozygous tall pea plants. Formulate a pollination experiment to identify whethe
andre [41]

We can use a punnet square to predict the outcomes of the offspring when crossing two tall plants, and base the experiment we will perform on those probabilities.

A punnet square is a tool used by many genetic scientists. It uses the genetic makeup of the parents to guess those of the offspring.  The punnet square will give us probabilities for each outcome. We can design an experiment in which we make predictions using a punnet square based on Hom-ozygous alleles and heterozygous alleles.

Only by using two Hom-ozygous plants can we guarantee 100% tall plants, and only by using two heterozygous plants can we produce a short plant. Therefore, we can repeat the experiments until a short plant appears or we can only tall plants, and this way we can single out the Hom-ozygous and heterozygous plants.

To learn more visit:

brainly.com/question/19747679?referrer=searchResults

7 0
2 years ago
Which of the following processes produces new cells with identical genetic makeup in humans?
lesantik [10]

Answer:

mitosis

Explanation:

<em>Mitosis produces daughter cells that are basically replicas to their parent cells. As the daughter cells duplicates itself, it has make sure the chromosomes were split equally.</em>

4 0
2 years ago
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Why didn't earth shatter after the Mars-sized object collided with it ?
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Not only did it burn up in our atmosphere and lose mass. Scientist believe it almost hit earth that went around the orbit and broke before it entered the atmosphere and one of the pieces is the moon.
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2 years ago
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