Hey help please.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.

At what point in the eukaryotic cell cycle does mitosis occur