Food chains and food webs show how producers, consumers, an decomposers are connected to one another as chemical energy flows through different
in an ecosystem
a. energy pyramids
b. trophic levels
c. biospheres
d. abiotic components
HELP WILL MARK BRAINLIST

How does the study of genetic disorders such as pku biologists understand normal alleles?

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow