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Coelomates
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Coelomate AnimalsInvertebrates including molluscs,
annalids, arthropods
Radula
Snail Anatomy
Phylum Annelida (segmented worms)
Earthworm Anatomy
Segmentation facilitates specialization of body regions.
Allows animal to alter body shape and control movements precisely.
Radiation of the arthropods was based on changes in a segmented body plan.
Most animals are examples of variations on the segmented body plan
Appendages enhance an animals ability to move around to find food, avoid predators, and find mates.
Coelomate AnimalsSlide Number 2Slide Number 3Slide Number 4Slide Number 5Slide Number 6RadulaSnail AnatomyPhylum Annelida (segmented worms)Earthworm AnatomySlide Number 11Slide Number 12Slide Number 13Slide Number 14Slide Number 15