A coelom is a true body cavity. An acoelomate body plan
lacks a body cavity. An example of a coelomate body plan is seen in an earthworm. It has
a digestive tract located inside a body cavity. However, a tapeworm has no body cavity.
Radial symmetry is a body plan organized around a circle as seen in slices of a pie.
Each slice is pretty similar to the next. An example is the symmetry seen in starfish.
Their arms or rays resembles spokes on a wheel and they have a round symmetry. A person
exhibits bilateral symmetry. The left side of the body resembles the right side like a
mirror image. A protostome is an animal whose mouth is formed from the blastopore in the
embryo and includes most invertebrates. A deuterostome is an animal whose anus is formed
from the blastopore and includes Echinoderms and all
vertebrates.
Saturday, June 27, 2015
Describe the differences between the terms below*Coelomate versus acoelomate body plan *protosome versus deuterome developement * radial versus...
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