Answer:
Soil plays an important role in many ecosystems
Explanation:
Answer:
True
Explanation:
in cell division asextually new cells Contain same genetic information
Answer:
1. A, 2. C, 3. B
Explanation:
number 1 is A, number 2 is C, number 3 is B
Answer:
Sperm-egg interaction
Explanation:
The formation of fertilization envelope is well-studied on the model system- sea urchin. It has been shown that, the fertilization envelope is formed after the initial sperm-egg interaction from the egg surface vitelline envelope and the paracrystalline protein fraction which is derived from cortical granules. Secretion from cortical granules, prevents polyspermy.