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What is a period of low activity when it is hot?
Estivation
Keeping the same body temperature INSIDE the body is what?
Endotherm
Having a body temperature that changes with the environment is what?
Ectotherm
A period of low activity when it is cold
Hibernation
Organisms with cells that contain a nucleus
Eukaryote
Organism made of more that one cell
Multicellular
Organism with cells that DO NOT have a nucleus
Prokaryote
Organism made of only one cell
Unicellular
Organism that can produce its own food
autotroph
Organism that CANNOT produce its own food
Heterotroph
An organism without a backbone
invertebrate
Skeleton found INSIDE the body of an organism
endoskeleton
Organism stays in one place
sessile
Organisms of the same type that can mate and have offspring
species
Skeleton found on the outside of the body
Exoskeleton
An organism WITH a backbone
Vertebrate
