Standardized Test Prep

Multiple Choice

1. What part of a vertebrate's brain is the “thinking” region?

   1. olfactory bulb

   2. cerebellum

   3. cerebrum

   4. medulla oblongata

2. Neurons that receive and send information from and to other neurons are called

   1. ganglia.

   2. motor neurons.

   3. sensory neurons.

   4. interneurons.

3. The skeleton of a shark is composed primarily of

   1. bone.

   2. cartilage.

   3. vertebrae.

   4. tendons.

4. Joints between bones of the human skeleton are held together mostly by

   1. tendons.

   2. ligaments.

   3. muscles.

   4. skin.

5. In oviparous species, embryos

   1. develop internally.

   2. obtain nutrients directly from the mother's body.

   3. obtain nutrients from the external environment.

   4. develop outside of the body.

6. Most animals reproduce sexually by producing

   1. buds.

   2. clones.

   3. haploid gametes.

   4. diploid gametes.

7. Maintaining homeostasis in multicellular organisms requires

   1. a properly functioning heart.

   2. a nervous system.

   3. hormones.

   4. all body systems working together.

8. Which of the following are endothermic?

   1. fish and amphibians

   2. mammals and birds

   3. reptiles and mammals

   4. all vertebrates

Questions 9–10

Study the illustration of a reptile brain and answer questions 9 and 10.

9. What is the name of the structure labeled A?

   1. cerebrum

   2. optic lobe

   3. cerebellum

   4. olfactory bulb

10. What are some functions of the structure labeled B?

    1. vision

    2. control of internal organ functions

    3. connection of the brain to the rest of the body

    4. coordination of movement and control of balance

Open-Ended Response

11. Why can't muscles function individually?

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