The outputs of cellular respiration are a. nutrients and carbon dioxide. b. energy and carbon dioxide. c. nutrients and oxygen. d. energy and oxygen.

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine. digestive processes break nutrients down in the mouth, stomach, and small intestine. blood is pumped through the circulatory system to deliver nutrients to other organs. nutrients are ingested at the mouth. nutrients enter the capillaries of the circulatory system. sequence

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?