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Animals Chapter 32

Teacher: P. Smith
Across
Form anus first
Body cavity
Animal cells lack
Head becomes most important part of body
All animals are capable of this type of reproduction
Animals with this type of cleavage cannot make identical twins
Symmetry of cnidarians & echinoderms
Down
Cells are organized into
Redundant body segments
All animals are
Animal diversity exploded during this time period
An example of deuterostomes
Skin & CNS come from this germ layer
Acoelomate animal
Circulatory system in which blood never leaves vessels