Gravitational waves are ripples in spacetime. They are created whenever objects with mass move. Hope this helps :)
Answer:
1. a chromosome is a dna strand that has genes
2. prophase, metaphase, anaphase, telophase
3. anaphase
4. the two nuclei are identical daughter cells and they have the same number of chromosomes
5. this is when the cell separates forming two new daughter cells and it occurs in the late telophase of mitosis.
sorry if this is wrong but this is how i learned it! hope it helps!
Explanation:
My best guess is that when an ecologist studies a living thing/organism they must consider the numbers that are left of the specific creature they are studying. This means that when an animal goes extinct, the diversity of life on Earth shortens! Now I may not be right because there are no answer choices so do forgive me!