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APSM Biology 5.2

APSM CA Biology 5.2 Introduction to Animals

TermDefinition
bilateral symmetry form of symmetry in which an object can be cut into identical halves along only one plane
endoskeleton internal skeleton, as found in vertebrates
exoskeleton external skeleton
external fertilization Release gametes directly into the environment
heterotrophic consume other things for energy
internal fertilization results in pregnancy
invertebrates animals without a backbone, make of 95% of animal species
radial symmetry form of symmetry in which an object can be cut into identical halves along several planes
vertebrates animals with a backbone
Created by: samundoacademy
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