What is the role of gills?

a. to pump blood

b. to bring oxygen into the animal

c. to break up food

d. to be a body cavity

A male walrus lives to be 20 years old and mates with 18 females during its life. A second male lives to be 10 years old but mates with 44 females.

Sewage in the ocean can cause and immediate effect in the ecosystem

By what mechanism does a diploid animal grow after fertilization?

Three positive factors about glycolysis is that the process is Slow, Aerobic, and Large amount of ATP molecules. True or false and if false why?

Which mineral will effervesce when exposed to dilute acid? calcite halite gypsum

Week 5 quiz true or false? the size of a bloodstain can be used to assess the angle of impact of the blood that caused the stain.

Which species would you expect to pass on their traits to the next generation? A) Species with desirable traits B) Species with less desirable traits C) Species with useless traits D) Species with common traits

A couple meets with a genetic counselor. the woman's father had sickle-cell anemia, and she and her mother were unaffected. neither the man nor his parents or siblings had sickle-cell anemia.

Through what process does water enter the atmosphere from your body as you sweat

Mutations that hinder the survival of an organism