1. Which of the following can happen if the kidneys fail?

a. Toxic wastes can accumulate in plasma.

b. Blood-plasma ion levels can increase.

c. Kidney dialysis may be necessary.

d. All of the above

Radioactive dating involves determining which of the following? A half-life decay B index fossils C depth of layers D Geologic time

If you were a paleontologist, which species would you expect to find first in the fossil record? a. Horse b. Plant c. Frog d. Shark e. Chicken

Provide at least three examples of national policies that can influence population size

Identify the spinal cord area (cervical or thoracic) that the preganglionic axons exit in the anterior (ventral) root.

Why are predators at the top of the marine food chain more likely to contain more toxins in their bodies? A) Predators at the top eat more food than other organisms. B) Predators at the top will breathe in more polluted air.

Table sugar is sweet, but it did not contain starch. why is this?

Describe the relationship between science and technology, and give an example of how they are related.

11. In a study of the habitat of a population of raccoons, scientists found that the number of raccoons actually increased where people built houses.

Closely related species are grouped together in which of the following? a. subspecies b. paleospecies c. genus d. family

What is the main purpose of the light independent reaction