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17 Cards in this Set

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  • Back
colony
a group of animals living together in which each member has a certain job
reptile
an animal with a backbone that has dry, scaly skin
gill
an organ for breathing found in fish and amphibians
exoskeleton
a hard, outer covering that supports and protects some animals without backbones
habitat
a place where an animal or plant lives
migration
movement from one location to another as the seasons change
molt
to shed an animal's outer covering
ecosystem
all the living and nonliving things in an environment
fish
an animal that spends all of its time in the water breathing through gills
amphibian
an animal that spends part of its time on land and part of its time on water
hibernation
a long sleep during which an animal's heart rate and breathing slow down
bird
an animal with feathers
vertebrate
an animal with a backbone
invertebrate
an animal without a backbone
mammal
an animal with fur that feeds milk to its young
adaptation
any structure or behavior that helps a living thing survive
camouflage
coloring, shape, or pattern that allows a living thing to blend into its surroundings