Why are carbon and nitrogen cycles important to ecosystems? a. they supply the energy needed for living processes. b. they are needed to release the energy stored in food. c. they provide materials organisms need to build their bodies. d. they ensure that matter only moves within a nonliving environment.

The kidneys, ureter, bladder, and urethra the body maintain homeostasis through the process of a. excretion b. specialization c. respiration d. digestion

In what layer of the sun is energy transfers between atoms

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.