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K Covington

Blume Chapter 12.2

QuestionAnswer
Sponges have little in common with other animals- they probably "Blank" separately from all other animals Evolved
Most sponges are asymmetrical and "blank" sessile
A sponge body is a hollow "blank" with one opening at the top and many small pores along the body tube tube
Sponges have no tissues, or organ systems; they often do have "blank" or "blank" for protection and support. Spicules and Spongin
Sponges pull microscopic food particles and oxygen in through their "blank"; wastes are removed through the opening at the top of the sponge. pores
Most sponges are "blank" that produce both sperm and eggs, though sponges can't fertilize their own eggs; sponges can also reproduce asexually by budding or regeneration. Hermaphrodites
"Blank" are invertebrates that includes corals, sea anemones, jellyfish, hyrdas , and Portuguese man of wars Cnidarians
Most cnidarians live in "blank" water; some live as individuals, while others live in colonies. Salt
Most cnidarians have two body "blanks" forms
The polyp is "blank" -shaped and sessile vase
The "blank" is bell-shaped and free swimming medusa
Cnidarians have one body opening and "blank" symmetry radial
Two cell layers are arranged into "blank" ; a digestive cavity breaks down food tissues
A "blank" net carries impulses and connects all organism parts nerve
Most cnidarians have "blank" with stinging cells to help capture food tentacles
Cnidarians are "blank" predators
Cnidarians "blank" both sexually and asexually reproduce
Cnidarians have existed more than 600 million years; most of their fossils are "blank" corals
Coral reefs form as corals secrete their hard external "blank" on those of earlier generations skeletons
Coral reefs are "blank" ecosystems that protect shorelines from erosion diverse
Corals reefs provide "blank" such as shells, pearls, and chemicals for human medical uses. resources
Created by: kcovington
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