Sometimes a population cannot grow to its biotic potential due to environmental conditions called . a. extinction
b. carrying capacities
c. limiting factors
d. emigration

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