Question

natural ecosystem have evolved. __ of year​

Answer 1

Answer:

Virtually all of Earth's ecosystems have been significantly transformed through human actions. Changes have been especially rapid in the last 50 years and today the fastest changes are taking place in developing countries. Ecosystems are particularly affected by large-scale fishing, freshwater use, and agriculture.

Answer 2

The organisms found in an ecosystem tend to have adaptations, beneficial features arising by natural selection, that help them get energy