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20 Cards in this Set
- Front
- Back
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Sexual reproduction
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The process by which a new organism develops from the joining of two sex cells
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Asexual reproduction
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The process by which a single organism produces a new organism identical to itself.
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vertebrate
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An animal that has a backbone
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invertebrate
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An animal that has NO backbone
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closed circulatory system
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A circulatory system in which blood moves within a connected network of tubes called blood vessels.
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open circulatory system
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A circulatory system in which the heart pumps blood into open spaces in the body and blood is not confined to blood vessels
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Endoskeleton
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An internal skeleton
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Exoskeleton
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An waxy, waterproof outer shell or outer skeleton that protects the animal and helps prevent evaporation of water.
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Molting
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The process of shedding an outgrown exoskeleton
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Metamorphosis
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A process in which an animal's body undergoes dramatic changes in form during its life cycle.
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Biological control
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A natural predator or disease released into an area to combat a pest insect.
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Larva
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The immature form of an animal that looks very different from the adult.
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Chordate
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The phylum whose members have a notochord, a nerve cord, and slits in their throat at some point in their lives.
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Vertebrae
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The bones that make up the backbone of an animal.
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Ectotherm
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An animal whose body does not produce much internal heat.
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Endotherm
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An animal whose body regulates its own temperature by controlling the internal heat it produces.
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Pheromone
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A chemical released by one animal that affects the behavior of another animal of the same species.
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Migration
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The regular periodic journey of an animal from one place to another and back again for the purpose of feeding or reproduction.
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Hibernation
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A state of greatly reduced body activity that occurs during the winter.
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Appendages
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A part or organ, such as an arm, leg, tail, or fin, that is attached to the main part of the body.
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