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Ch 1 Lesson 1

8th period

TermDefinition
Homeostasis Recognition in which an organisms internal environment is kept stable by the changes in its external environment
Vertebrae The bones that make up the backbone of an organism
Invertebrae an animal without a backbone
Adaptations behavior or physical characteristics that helps an organism survive and reproduce in its environment
three things animals have in common Obtaining food, reproducing, and moving
four functions of of an animal to obtain food oxygen keep internal condition, stable move in some ways and reproduce
how animals are classified in the three ways these relationships are determined They are classified by how they are related to other animals. Relationships are determined by the animals body structure, the way, the animal develops and it DNA.
Created by: user-1996762
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