Image Sources
(1) prep4md.http://www.flickr.com/photos/27920559@N05/2778292954/. CC-BY
2.0.(2) Steve Childs. Marine flatworms can be brightly colored.. CC-BY 2.0.(3) Sea stars are radially symmetrical.. CC-BY-SA 2.5.(4) Laszlo Ilyes. Corals are colonial cnidarians.. CC-BY 2.0.(5) Squeezyboy. Earthworms are segmented worms.. CC-BY 2.0.(6) Samuel Chow.http://www.flickr.com/photos/cybersam/1004710143/. CC-BY
2.0.(7) Fabian Bromann.http://www.flickr.com/photos/rastafabi/747108603/. CC-BY
2.0.(8) http://www.flickr.com/photos/pierreyves0/2438937060/. CC_Attribution.(9) http://commons.wikimedia.org/wiki/File:Turdus_migratorius_4480.jpg.
GNU-FDL.(10) ARS. Nematodes can be parasites of plants and animals.. Public Domain.
(11) icelight.http://www.flickr.com/photos/icelight/208857632/. CC-BY 2.0.
(12) http://commons.wikimedia.org/wiki/Image:Tenia_solium_scolex.jpg. Public
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(13) winston & michelle.http://www.flickr.com/photos/wimi/378691686/. CC-BY 2.0.
(14) http://commons.wikimedia.org/wiki/File:Planariafull.jpg. Public Domain.
(15) http://www.flickr.com/photos/pierreyves0/2438937060/. CC_Attribution.
(16) Rob and Stephanie Levy. Leeches are parasitic segmented worms.. CC-BY 2.0.
(17) http://commons.wikimedia.org/wiki/Image:
Taenia_saginata_adult_5260_lores.jpg. Public Domain.
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