The human body uses cellular respiration to produce energy. Using the chemical equation for cellular respiration, explain how the amounts of oxygen and carbon dioxide inhaled by the lungs differs from the amounts exhaled. Explain your answer in 1-2 sentences.

List two modern organisms that have pentameral symmetry

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat