Answer:
b
Explanation:
the element is named after the latin word for calcium 'calx'
The answer would be meiosis 2 because in this separation of sister chromatids occur which is similar if not identical to mitosis.
Answer:
The ecosystems are different
Explanation:
Every ecosystem needs most of the types, such as producers and herbivours, but different animals need different climates, such as cacti need deserts, yet fish need water, they can't( Or shouldn't ) Be in the same ecosystem due to thier needs.
Double helix is the correct answer
