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24 Cards in this Set
- Front
- Back
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Shedding of the exoskeleton
a) molting b) shedding |
a) molting
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Changes some animals go through to become adults
a) metamorphosis b) change |
a) metamorphosis
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Circulatory system in which blood is contained in vessels
a) open b) closed |
b) closed
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Act like strong suction cups and help the animal move, feed, get oxygen and dispose of water
a) feet b) tube feet |
b) tube feet
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Organ that exchanges oxygen and carbon dioxide with water
a) gizzard b) gill |
b) gill
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Food storage sac in segmented worms
a) crop b) gizzard |
a) crop
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Structure that grows out from a body, like a leg or antenna
a) appendage b) mantle |
a) appendage
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A thick layer of tissue that secretes the shell
a) crop b) mantle |
b) mantle
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Outer covering on arthropods
a) endoskeleton b) exoskeleton |
b) exoskeleton
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Air opening in the abdomen of arthropods
a) spiracle b) setae |
a) spiracle
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Tongue-like structure in gastropods that works like a file
a) setae b) radula |
b) radula
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Circulatory system in which blood is not in vessels but spreads over organs
a) open b) close |
a) open
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Muscular structure in earthworms that grind soil
a) gizzard b) crop |
a) gizzard
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Bristlelike structures that help segmented worms move
a) segment b) setae |
b) setae
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Give 3 examples of Gastropods
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1) snails
2) slug 3) abalone |
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Give 3 examples of Bivalves
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1) clam
2) oyster 3) scallop |
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Give 3 examples of Cephalopods
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1) squid
2) octopus 3) nautilus |
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Name 2 reasons scientists think segmented worms & mollusks share an ancestor.
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1) They were first of the animal groups to have a body cavity for organs.
2) Mollusks & segmented worms have a one-way digestive system with a seperate mouth & anus. |
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Relate the structure of the exoskeleton to its function.
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An exoskeleton:
- is an outer covering that covers, supports & protects the arthropod's body - keeps the body from drying out - is shed & replaced as the organism grows |
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Identify the following stages of metamorphosis and name an organism for each that develops that way.
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arachnid
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egg/larva/pupa/adult
a) complete b) incomplete Examples are________, ________ & ____________. |
a) complete
Examples: bees, moths, flies |
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egg/nymph/adult
a) complete b) incomplete Examples are__________, __________ & ___________. |
b) incomplete
Examples: grubs, maggots, mealworms |
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annelid
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crustacean
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insect
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echinoderm
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