Unit 7 - Invertebrates
Transcript of Unit 7 - Invertebrates
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Unit 7Invertebrates
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1. What percentage of the
worlds animals arevertebrates?
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A. About 1 percent
B. About 2 percent
C. About 5 percent
D. About 10 percent
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C. About 5 percent
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2. What kind of protection
have ants and beetles got?
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A. An outer shell.
B. A hard shell.C. A body covering.
D. A rigid covering orexoskeleton.
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D. A rigid covering or
exoskeleton.
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3. What has an echinoderm
got on its body?
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A. Sharp spikes
B. FurC. Feathers
D. A hard shell
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A. Sharp spikes
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4. Which invertebrate has got a soft
body with many segments?
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A. Mollusks
B. Annelids
C. Sponges
D. Arthropods
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B. Annelids
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5. How many legs have
arachnids got?
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A. Six
B. EightC. Ten
D. Twelve
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B. Eight
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6. Which arthropod can have
more than 10 legs?
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A. Myriapods
B. ArachnidsC. Crustaceans
D. Insects
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A. Myriapods
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7. Which type of arthropod
can have wings?
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A. Arachnids
B. CrustaceansC. Myriapods
D. Insects
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D. Insects
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8. How do some mosquitoes
transmit malaria?
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A. By biting people.
B. They have the diseasethemselves.
C. They have a parasiteinside them.
D. None of the above.
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C. They have a parasite
inside them.
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9. Which type of mollusk has
got long arms?
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A. Bivalves
B. Gastropods
C. Cephalopods
D. All of the above.
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C. Cephalopods
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10. What is the shape of a
snails shell?
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A. A round shell
B. A square shellC. A spiral shell
D. None of the above
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C. A spiral shell
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11. How do bivalves get
nutrients?
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A. They eat other living
things.B. They filter water to extract
nutrients.C. They create their own food
through photosynthesis.D. They eat plants.
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B. They filter water to extract
nutrients.
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12. Which mollusks produce
pearls?
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A. Mussels
B. OystersC. Slugs
D. Octopus
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B. Oysters