Which of the following is a density-dependent factor?

A. hurricane

B. fire

C. temperature

D. water

How does genetic variation (or mutation) affect an organism's probability of survival and reproduction?

9. Glycolytic skeletal muscle fibers ... A. demonstrate higher resistance to fatigue than oxidative fibers. B. have a smaller diameter than oxidative fibers C. have a higher density of mitochondria than oxidative fibers D.

Which three events occur when Earth's convection currents move toward each other?

Which is NOT a key abiotic factor in marine ecosystems? a. water temperature c. amount of sunlight b. water depth d. amount of plankton

What factors influence human birth and death rates

True or false: in some environments, a genetic predisposition to increased salt retention is probably adaptive, while in other environments this same trait is maladaptive?

What are the expected outcomes associated with digoxin therapy? select all that apply?

All of the members of particular species that live in the same area are called

Antibiotics are routinely introduced into the food of cattle, chickens and other livestock, which causes the animals to grow faster. Since the cost of antibiotics is low, the use of antibiotics is an easy way to achieve faster weight gain in animals.

Which of the following is NOT a type of air pollution? a. acid rain b. mercury c. ozone d. oxygen