How are ecological relationships important to ecosystems? how could ecosystems be affected if these relationships did not exist?

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat