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kari74 [83]
3 years ago
14

What evidence does banded iron in rocks provide?

Biology
1 answer:
hjlf3 years ago
8 0

Answer:

B. presence of oxygen in the atmosphere

Explanation:

I took the same test and got it right

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In humans, identical twins are possible because A. extraembryonic cells interact with the zygote nucleus. B. convergent extensio
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In humans, identical twins are possible because C. early blastomeres can form a complete embryo if isolated.

Identical twins are formed when an egg after fertilization by a sperm gets divided into two.

The early blastomeres are totipotent cells which means that they have the capability to form all the cells of the body further. Hence, if an egg after fertilization splits into two, it has the potential to form a complete embryo which forms an individual.

However, as the splitting process has occurred after fertilization, hence the two individuals formed will be identical twins. The genome for the identical embryos will be identical.

Identical twins are also referred to as monozygotic twins as they arise from a single egg or zygote.

To learn more about identical twins, click here:

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1 year ago
In this lab, you used a dichotomous key to identify organisms. Why would this skill be valuable to you? Check all possible reaso
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The reason why a dichotomous key to identify organism is valuable, is because it helps you classify organisms,it helps you identify eco -systems, it helps you analyze an organism's traits.

Explanation:

A dichotomous key is a skill that has been brought about by scientists, to help people to identify and classify organisms.

In Dichotomous key, the main way of identifying an object is by it scientific name.This is because, though two objects might look similar to each other but they might belong to a whole different species.

So, it is is easier to identify the organism from its scientific name, as it will tell us which species it belongs to.

This key is very useful to people who are novice, and don't know much about identifying an organism.

This key also helps identifying, whether an organism belongs to a particular closely related group of organisms or is a separate organism.

It helps one analyze the traits of an organism, and based on their characteristics, it will help you identify and classify the species of the object or organism.

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3 years ago
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It is a perfect example of a natural selection.
(I'm not sure if this is the exact answer that you are looking for.)
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As the weather gets colder, what does your body do in order to maintain physiological homeostasis.
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