Standardized Test Prep

Multiple Choice

1. Which of the following is NOT a mollusk?

   1. leech

   2. squid

   3. clam

   4. snail

2. Which of the following invertebrates have segmented bodies?

   1. flatworms

   2. roundworms

   3. cnidarians

   4. annelids

3. All animals have some form of body symmetry EXCEPT

   1. sponges.

   2. jellyfishes.

   3. worms.

   4. arthropods.

4. Which of the following groups can be classified as nonvertebrate chordates?

   1. sponges

   2. tunicates

   3. fishes

   4. all of the above

5. Many scientists think that birds evolved from

   1. mammal-like reptiles.

   2. amphibians.

   3. mammals.

   4. dinosaurs.

6. Which of the following is NOT a characteristic of reptiles?

   1. scaly skin

   2. eggs with shells

   3. lungs

   4. mammary glands

7. Which of the following are hominoids?

   1. all mammals

   2. all primates

   3. humans only

   4. all great apes

8. When did the first true mammals appear?

   1. Cretaceous Period

   2. Triassic Period

   3. Cenozoic Era

   4. Carboniferous Period

Questions 9–11 Refer to the following cladogram.

9. Which characteristic is shared by humans, wallabies, and trout?

   1. placenta

   2. notochord

   3. four limbs

   4. mammary glands

10. Which animals have the closest evolutionary relationship, as shown by the cladogram?

    1. humans and wallabies

    2. humans and lizards

    3. humans and lampreys

    4. humans and trout

11. A valid conclusion from this cladogram is that

    1. salamanders, trout, and lampreys all have a backbone.

    2. four limbs appeared in vertebrate evolution before the notochord appeared.

    3. humans and lampreys share a common ancestor.

    4. mammary glands appeared in vertebrate evolution after the placenta appeared.

Open-Ended Response

12. What is the difference between a hominoid and a hominine?

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