A shark's skeleton is different from a goldfish because

a. the shark's skeleton is very dense.

b. the shark's skeleton is quite rigid.

c. the shark's skeleton is composed of bone.

d. the shark's skeleton is composed of cartilage.

Which body system works together with the integumentary system to protect the body from pathogens?

What functions of the body are most obviously affected by alcohol?

Compare temperature and pressure conditions at Earth's surface and below Earth's surface, and relate them to the process of lithification.

What are the two forces that drive the water cycle

Long term environmental change to an area is likely to create selective pressure that will- A. mutate the genetic makeup of organisms B. influence adaptation of populations over time C.

Which environmental lesson can you derive from the ecocide hypothesis for what happened to easter island? a. the introduction of nonnative species has environmental consequences. b.

How does the amount of uranium in zircon tell us how old the crystal is?

Which organism's are omnivores? A) The snake, the bear, and the fish B) The fish and the eagle C) The bear and the fish D) The snake and the mouse If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other

How are all humans similar?

Why does earth have such a diversity of plant and animal life? give three reasons.