BIOLOGY MIDDLE SCHOOL

In meiosis I crossing over occurs during1leptotene
2 zygotene
3 pachytene
4 diplotene ​

Answers

Answer 1
Answer:

3 pachytene is the answer here cause that is where there is exchange of genetic material

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What would happen to a cell if its mitochondria stopped working? And why would it happen!?

Answers

The cell would die. This is because mitochondria are essential for making energy that the cell can use, if the mitochondria stopped working this energy would not longer be available to the cell. If the cell does not have energy, it cannot perform vital functions like respiration.

As an object travels around the sun or other large object, it travels on a fixed path that iscalled its

A. period
B. orbit

C. perigee

D. revolution

Answers

Answer:

B. orbit

Explanation:

As an object travels around the sun or other large object, it travels on a fixed path that is  called its orbit.

Describe at least two objects whose outlines are like an ellipse.

Answers

A bowl or a cup would help
An egg and A watermelon or you could say a plate :)

What would happen if your hypothalamus didn't work properly

Answers

The hypothalamus controls body temperature, so if it didn't work correctly, your body couldn't control how hot or cold you get.

Hope this helped!

Which of the following is the correct definition of mineralsA. a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition

B. a naturally occurring, inorganic solid that forms through crystallization of melted materials

C. a naturally occurring organic solid that forms through crystallization of materials dissolved in water

D. a naturally occurring organic solid that has a crystal shape and a definite chemical

I think it's C

Answers

Answer:

Option (A)

Explanation:

A mineral is a naturally forming, solid substances that are inorganic in nature. It is comprised of a specific chemical composition, with a proper crystal shape. Various types of minerals are formed by various types of the process such as due to the evaporation, cooling or crystallization of magma. These minerals are combined together and give rise to the formation of rocks. These minerals play an important role in the identification of rocks.

These minerals forming the rocks are found in different geological settings.

Thus, the correct answer is option (A).
Your answer should be B

During the process of cellular respiration, living organisms extract energy from food. What is the primary purpose of this process?

Answers

Answer:

to help maintain a stable internal environment

Explanation:

Cells are the basic unit of life. Thus, cells are primarily responsible for performing the processes that are necessary for the organism to maintain a stable internal environment.

Cellular respiration is a process that helps living organisms maintain a stable internal environment.

NOTE- If you use study island, then this is the right answer

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