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Animals. How are Animal Bodies Organized. Cell - the basic unit of animal structure Tissue - group of similar cells that perform a specific function Organ - group of different tissue System - group of organs that perform animal functions . Levels of Organization.
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How are Animal Bodies Organized Cell- the basic unit of animal structure Tissue- group of similar cells that perform a specific function Organ- group of different tissue System- group of organs that perform animal functions
1. Obtains food & oxygen 4 Animal Functions
2. Keeps internal conditions stable Dogs pant to keep from over heating Gators lay in sun to keep from freezing
4. Reproduce Sexually- male sperm and female egg join to make a new organism Asexually- a single organism produces a new organism that is identical to itself
Animal Classification Classified into a group called phylum Vertebrates- animals with backbone Invertebrates- animals with NO backbone