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abdomen |
the rear section of the body of an insect, spider, or crustacean |
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adaptation |
a change in an animal (or plant) so that it is better suited to survive in its environment |
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antennae |
feelers |
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behavior |
things that animals do (ex: raising pincers up, tucking tail under, and scooting backwards) |
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bristles |
short hairs on the crayfish that help them sense things in their environment |
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carapace |
main body shell of crustaceans |
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classification |
arranging in groups or classes |
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camouflage |
the protective coloring of an animal to help it hide or be safe |
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crustaceans |
a class of mostly aquatic animals that have hard, flexible shells, jointed legs, and two pairs of antennae |
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egg pore |
where the eggs come out of the female crayfish's body |
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elodea |
an equatic plant that crayfish eat |
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elytra |
hard, shell-like forewings; protects the Bess Beatle; delicate |
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exoskeleton |
a hard outer covering that protects the soft organs and maintains the animal's shape |
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function |
how something works or its purpose |
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habitat |
a place or shelter where an animal lives |
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insect |
any of a group of small animals without a backbone, having a body divided into three parts (head, thorax, abdomen) and six legs |
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life cycle |
every living organism has a life cycle - goes from birth to death |
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mandibles |
jawlike part found on the side of insect's mouth - used for chewing, seizing, and biting |
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metamorphosis |
to change in form (ex: butterfly - egg, larva, pupa, adult) |
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mite |
a group of tiny animals related to spiders (mites are sometimes found on the Bess Beetles) |
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molt |
to shed the outer skin (exoskeleton) and being replaced with new growth |
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organism |
a living thing |
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pincers |
big, jointed, leglike structures in the front of the crayfish |
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reproduction |
the process of producing offspring |
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safety procedure |
the proper way to handle the crayfish and Bess Beetle so you are safe, as well as the animals |
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structures |
the observable parts of an organism (ex: antennae, walking legs) |
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survival |
to live |
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swimmerets |
small leg-like structures under the crayfish's tail |
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thorax |
the middle section of an insect - contains the wings and legs |
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walking legs |
a crayfish has eight walking legs - these structures are used to move forward, backward, and sideways, and also for gripping and holding things |