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Carter Mittens Ch 12

Blume Ch. 12.2

Sponges probably _____ separately from all other animals. Evolved
What is a sponges body? Hollow tube
What do sponges often have? Spicules, or Spongin
What do sponges use to get food? Pores
What are sponges? Hermaphrodites
Are Cnidarians vertebrates or invertebrates? Invertebrates
What type or water do Cnidarians live in? Salt Water
Most Cnidarians have two what? Body forms
What shape is a polyp? Vase shape
What shape is a medusa? Bell-shaped
How many body openings does a Cnidarian have? One
What does a digestive cavity do? Break down food
What does a nerve net do? Carries impulses and connects all organism parts
Most Cnidarians have ______ with stinging cells to help capture food Tentacles
What are Cnidarians? Predators
Cnidarians can _______ sexually and asexually Reproduce
What are most Cnidarians fossiles? Corals
How do coral reefs form? Corals secrete their hard external skeletons on those of earlier generations
Coral reefs are _____ ecosystems. Diverse
Shells, pearls, and chemicals for human medical uses are all _______ that coral reefs provide. Resources
Created by: cmittens