Final Exam Review 2022-23 Part 2

Reptiles and amphibians are similar animals. They both spend time in the water and on land. Because they both have lungs, they must hold their breath while they swim under the water. Reptiles will lay their eggs in the sand near the water, but amphibians must lay eggs in the water because the offspring will spend a portion of their life cycle completely in the water.

The table shows characteristics of four organisms that live in a stream habitat.

Which organism is most likely an amphibian?

• Organism 1

• Organism 2

• Organism 3

• Organism 4

Which body system contains the organ in the diagram above?

• circulatory

• respiratory

• digestive

• nervous

Which body system is pictured?

• circulatory

• digestive

• respiratory

• nervous

Our cells all have ID cards called ___. A cellular ID not recognizedby the body will cause the immune system to react.

• antidiuretics

• antiinflammatories

• antibodies

• antigens

Animals have nervous systems that

• collect metabolic wastes.

• gather information.

• produce offspring.

• acquire oxygen and nutrients.

The function of the excretory system is to control homeostasis and

• break down nutrients

• remove wastes

• absorb leftover nutrients

• circulate wastes from cells

The skeleton of a mammal is

• controlled by fluid pressure.

• made of muscle and very strong.

• internal and made of bones.

• surrounded by a hard shell.

One way an ectotherm can warm its body is to

• move into the shade.

• bask in the sun.

• speed up its metabolism.

• crawl into an underground burrow.

In the diagram of rock layers above,

• the fossils in layer B are older than the fossils in layer A.

• the fossils in layer A are older than the fossils in layer C.

• the fossils in layer B are younger than the fossils in layer C.

• the fossils in layers B and C are the same age.

Which of the following terms explains why this separation of squirrels resulted in their inability to interbreed?

• competition

• extinction

• predation

• speciation