distributively polyp has a cup-like radiation diagram with a besiege of tentacles near a central opening night (pharynx) that functions as both brim and anus. The tentacles are tipped with insect bite cells called nematocysts. Corals use the nematocysts to keep themselves and to cause prey. The body wall consists of three cell layers: the satellite or ectoderm, the middle or mesoderm, and the knowledgeable or endoderm. in that respect is no skeleton interior t...If you want to get a full essay, order it on our website: Ordercustompaper.com
If you want to get a full essay, wisit our page: write my paper
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.