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Jon Darvish

Blume CH 12.2

QuestionAnswer
What little do sponges have in common with other animals? They probably evolved "seperately" from other animals.
A sponge body is a hollow _____ with one opening at the top and many small pores along the body tube tube ;)
Sponges have no tissues or organs or organ system; and often do have _____ or ______ for protection ans support Spire ; Spongin
Sponges pull microsopic food particles and oxygen in through their _____; wastes are removed through the opening at the top of the sponge. Pores
Most sponges are ________ that both produce sperm and eggs though sponges cannot fertilize their own eggs; sponges can also reproduce asexually by budding or P man of wars. Homaphrodites
_______ are invertebrates that include corals, sea anemonies, jellyfish, hydras, and P man of wars. Cnidarians
Most cnidarians live in ____ water; and some live as individuals, while others live in colonies. Salt
Most Cnidarians have two body _____ forms
The polyp is a _____ shaped and sessile. Vase
The ______ is bell-shaped and free-swimming Medusa
Cnidarians have one body opening and ______ symmetry. Radial
Two cell layers are arranged into ______ ; a digestive cavity breaks down the food. Tissues
A ______ net carries impulses and connects all organism parts. Nerve
Most Cnidarians have _______ with stinging cells to help capture food. Tentacles
Cnidarians are ______ Predators
Cnidarians _________ sexually and asexually. Reproduce
Cnidarians have existed mpre than "600 million" years; most of their fossils are _____ foul
Coral reefs form as corals secrete their hard external ________ on those earlier generations. skeletons
Coral reefs are _________ eco-systems that protect shorelines from erosion. Productive
Coral reefs provide _______ such as shells, pearls and chemicals for human medical uses valuables
Created by: Jdarvish
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