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1 | |
The integument of most multicellular invertebrates consists of a |
| | A) | multilayer of cells. |
| | B) | layer called the skin. |
| | C) | complex of a variety of chemicals, fibers, cellulose, or chitin. |
| | D) | single layer of cells. |
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2 | |
Animals have three types of skeletons. Which of the following is not one of the three types? |
| | A) | fluid hydrostatic |
| | B) | rigid exoskeleton |
| | C) | fluid exoskeleton |
| | D) | rigid endoskeleton |
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3 | |
The supportive tissue in the vertebrate skeleton consists of |
| | A) | cartilage. |
| | B) | bone. |
| | C) | muscle. |
| | D) | both a and b. |
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4 | |
The outer protein coat of many protozoans is called the |
| | A) | tegument. |
| | B) | pellicle. |
| | C) | epidermis. |
| | D) | dermis. |
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5 | |
The outer layer of flukes and tapeworms is the |
| | A) | tegument. |
| | B) | pellicle. |
| | C) | epidermis. |
| | D) | shell. |
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6 | |
__________ is the vertebrate integument. |
| | A) | Dermis |
| | B) | Epidermis |
| | C) | Skin |
| | D) | Hypodermis |
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7 | |
Where would you find skin that is multilayered and contains mucous and sensory cells, and placoid scales called denticles? |
| | A) | In the skin of body fishes. |
| | B) | In the skin of cartilaginous fishes. |
| | C) | In the skin of jawless fishes. |
| | D) | In the skin of birds. |
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8 | |
The notable features of mammalian skin are |
| | A) | hair. |
| | B) | a greater variety of epidermal glands than in any other vertebrate class. |
| | C) | a highly stratified, cornified epidermis. |
| | D) | all of the above (a-c). |
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9 | |
Modifications of the epidermis include |
| | A) | nails. |
| | B) | hair. |
| | C) | horns. |
| | D) | all of the above (a-c). |
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10 | |
What type of skeleton would you find in earthworms and sea anemones? |
| | A) | fluid hydrostatic |
| | B) | rigid exoskeleton |
| | C) | rigid endoskeleton |
| | D) | all of the above (a-c) |
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11 | |
What type of skeleton would you find in an arthropod? |
| | A) | fluid hydrostatic |
| | B) | rigid exoskeleton |
| | C) | rigid endoskeleton |
| | D) | all of the above (a-c) |
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12 | |
Cartilage is a major supportive tissue. It makes up the major skeletal component in all of the following except |
| | A) | gastropods. |
| | B) | jawless fishes. |
| | C) | humans. |
| | D) | sharks. |
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13 | |
With the exception of the __________ , locomotor cilia and flagella occur in every animal phyla. |
| | A) | protozoa |
| | B) | molluscs |
| | C) | arthropods |
| | D) | aschelminths |
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14 | |
The predominant muscle type in many invertebrates is |
| | A) | skeletal. |
| | B) | smooth. |
| | C) | cardiac. |
| | D) | both a and b. |
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15 | |
Flatworms, some cnidarians, and the gastropod molluscs move by means of waves of activity in the muscular system that are applied to the substrate. This type of movement is called |
| | A) | pedal locomotion. |
| | B) | looping movement. |
| | C) | water-vascular movement. |
| | D) | walking. |
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16 | |
As a zoologist, you would look for looping movement in |
| | A) | earthworms. |
| | B) | polychaetes. |
| | C) | echinoderms. |
| | D) | leeches. |
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17 | |
The functional unit in a skeletal muscle is called a |
| | A) | Z-line. |
| | B) | sarcomere. |
| | C) | actin filament. |
| | D) | myosin filament. |
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18 | |
Nerves control skeletal muscle contraction. |
| | A) | True |
| | B) | False |
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19 | |
The power behind muscular movements in both invertebrates and vertebrates is connective tissue. |
| | A) | True |
| | B) | False |
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20 | |
Amoeboid movement does not involve muscles. |
| | A) | True |
| | B) | False |
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21 | |
The most familiar endoskeletons, both cartilaginous and bony, first appeared in the vertebrates. |
| | A) | True |
| | B) | False |
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22 | |
The endoskeletons of sponges consist of mineral spicules. |
| | A) | True |
| | B) | False |
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23 | |
Animals have three types of skeletons: hydrostatic skeletons, exoskeletons, and endoskeletons. |
| | A) | True |
| | B) | False |
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24 | |
A tegument is the external covering of an animal. |
| | A) | True |
| | B) | False |
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25 | |
Skin is the vertebrate integument. |
| | A) | True |
| | B) | False |
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