How does the position of a crocodile's nostrils and eyes relate to its method of hunting?

Data show that an animal's temperature changes over the course of a day. A student asserts that this proves the animal is an ectotherm. What must the student consider before making such a claim?

Data show that an animal's temperature changes over the course of a day. A student asserts that this proves the animal is an ectotherm. What must the student consider before making such a claim?

Relate the location of modern-day marsupials to the breakup of Pangaea.

What happens to a segment in an earthworm when the circular muscles in that segment contract?

A It elongates.

B It shortens.

C It increases in diameter.

D It bends to one side.

In which biome would you most likely find a mammal that uses baleen for filter feeding?

A tundra

B savanna

C deep ocean

D temperate grassland

Describe how artiodactyls and perissodactyls are adapted for digesting plant material.

Describe how artiodactyls and perissodactyls are adapted for digesting plant material.

Describe the function of two different organs that help snakes locate their prey.

Jacobson's organs are involved in the sense of

a. smell.

b. hearing.

c. sight.

d. touch.

For the question, write on a separate sheet of paper the letter of the correct answer.

What are the two basic parts of a turtle's shell called?

F. keratin and cloaca

G. septum and amnion

H. chorion and allantois

I. carapace and plastron

A student examines a bird that has delicate, perching feet with long, slender toes. Its beak is small but slightly long and pointed. The student concludes that the bird is a seed-eating songbird. Do you agree? Explain your reasoning.

Snakes differ from lizards in that snakes do not have

a. lungs.

b. kidneys.

c. a pectoral girdle.

d. a flexible jaw.

For the question, write on a separate sheet of paper the letter of the correct answer.

What are the two basic parts of a turtle's shell called?

F. keratin and cloaca

G. septum and amnion

H. chorion and allantois

I. carapace and plastron