Big Test Test Est

Front 1

1. The muscular tube found near the mouth of the gastrovascular cavity in flatworms is called a

Back 1

PHARYNX.

Front 2

2. The head of an adult tape worm is called a

Back 2

SCOLEX

Front 3

3. The body cavity of a round worm is called a

Back 3

PSEUDOCOELOM

Front 4

4. What are the clusters of nerve cells in round worms called?

Back 4

GANGLIA

Front 5

5. In the earth worm, waste created by cellular metabolism is eliminated by the

Back 5

NEPHRIDIA

Front 6

7. In earth worms, the clitellum is used in

Back 6

REPRODUCTION

Front 7

8. The tongue-shaped structure that some mollusks use for feeding is the

Back 7

RADULA

Front 8

9. Mollusks eliminate nitrogen-containing wastes through simple tube-shaped organs called

Back 8

NEPHRIDIA

Front 9

10. A mollusk with a shell consisting of two parts is a member of the class

Back 9

BIVALVIA

Front 10

1. All arthropods have

Back 10

JOINTED APPENDAGES.

Front 11

2. An arthropod’s exoskeleton performs all of the following functions like

Back 11

PROTECTION OF INTERNAL ORGANS, SUPPORT OF THE ANIMAL’S BODY, PREVENTING LOSS OF BODY WATER.

Front 12

3. Most terrestrial arthropods breathe using branched, air-filled structures called

Back 12

TRACEAL TUBES.

Front 13

4. Most arthropods have

Back 13

an open circulatory system

Front 14

5. Crustaceans are the only arthropods that have

Back 14

TWO PAIR OF ANTENNAE

Front 15

6. Which of the organisms below belongs in the subphylum Chelicerata?

Back 15

SPIDER

Front 16

7. Unlike spiders, horseshoe crabs have

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A MADREPORITE.

Front 17

8. All insects have

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three body sections.

Front 18

9. Most adult echinoderms show

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RADICAL SYMMETRY.

Front 19

10. Oxygen is moved around the body of a sea star in its

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WATER VASCULAR SYSTEM.

Front 20

1. The ancestors of most modern animal phyla first appeared during the

Back 20

CAMBRIAN PERIOD.

Front 21

2. A cladogram shows

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EVOLUTIONARY RELATIONSHIPS

Front 22

3. Roundworms, which have body cavities that are partially lived with mesoderm, are classified as

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PSEUDOCOELOMATES.

Front 23

4. An animal that relies primarily on intracellular digestion is the

Back 23

SPONGE.

Front 24

6. In order for the exchange of oxygen and carbon dioxide to take place, an animal’s respiratory surfaces must be kept

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MOIST.

Front 25

7. In a closed circulatory system, blood

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REMAINS WITHIN BLOOD VESSELS.

Front 26

8. Malpighian tubules convert nitrogenous wastes into

Back 26

URIC ACID

Front 27

9. The simplest nervous systems are called

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NERVE NETS

Front 28

Individual animals that produce both sperm and eggs are called

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HERMAPHRODITES.

Front 29

1. The characteristics of all chordates are

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HOLLOW NERVE CORD, NOTOCHORD, PHARYNGEAL POUCHES.

Front 30

3. Most fishes exchange gases by pumping water from their mouths

Back 30

OVER THE GILL FILAMENTS

Front 31

4. IN fishes, the part of the brain that coordinates body movements is the

Back 31

CEREBELLUM

Front 32

5. A species that lays eggs that develop outside of the mother’s body is

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OVIPAROUS

Front 33

6. SHARKS ARE

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CARTILAGINOUS FISH.

Front 34

7. At the end of the large intestine of a frog is a muscular cavity called the

Back 34

CLOACA

Front 35

8. An adult amphibian’s heart typically has

Back 35

THREE CHAMBERS.

Front 36

9. Each of the following serves as an organ of gas exhange in frogs, toads, and many salamanders like the

Back 36

lungs, skin, and mouth cavity.