The food web illustrated here exists in yellowstone national park. if red foxes were to go extinct, what would be the two most likely effects on the ecosystem?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

What is the most appropriate method of gaining weight (muscle mass)