Identify the main role of mitochondria in animal cells. A Generate cellular energy in the form of ATP

B Breakdown wastes in the cell
C. Transport molecules across the cell membrane

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Competition occurs between species when