What type of ecosystem is largely found in the amazon?

The series of transgressions and regressions that produce cyclothems were likely produced by

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.

Which type of neuroglia is found outside of the brain?