Chapter 33 Lack a backbone 95% of known animal species Occupy almost every habitat on Earth No True tissues No symmetry Suspension feeders Most are hermaphroditic Radial…
RADIATE ANIMALS CNIDARIANS AND CTENOPHORES Chapter 7 7-* Phylum Cnidaria Over 9,000 species in the phylum Cnidaria Equipped with specialized cells: cnidocytes Contain a specialized…