Explain the difference between endothermic and ectotherms. i have a time limit for this, it is due in about 5 hours.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Isotopes of the same element have differ in their

This is the process of making a prediction based on the results of prior observations of similar events.