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5
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What are cnidoblasts?
stinging cells that give this group its name.
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Invertebrates live in two kinds of environments. What are they?
Aquatic and terrestrial
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What is the habitat of most cnidarians?
the ocean
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How do sponges feed?
They are filter feeders. They feed on oxygen and small particles of nutrients suspended in water.
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Where do corals and sea anemones live?
Attached to the ocean floor
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thief
Give points!
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25
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magnet
Take 10 points!
Okay!
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gift
Win 15 points!
Okay!
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thief
Give points!
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25
5
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True or False: Invertebrates do not range in size. They are all very small.
FALSE- Vertebrates have a wide range of sizes. From microscopic water fleas to the GIANT squid.
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thief
Give points!
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25
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shark
Other team loses 10 points!
Okay!
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shark
Other team loses 15 points!
Okay!
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thief
Give points!
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25
5
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Cnidaria have one opening surrounded by _________ with stinging cells.
tentacles
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5
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What are the three groups of cnidaria?
jellyfish, seas anemone, and corals
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5
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Most invertebrates have an external skeleton called an ____________.
exoskeleton
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banana
Go to last place!
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shark
Other team loses 25 points!
Okay!
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gift
Win 20 points!
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baam
Lose 20 points!
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5
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What group of invertebrates is this?
Porifera (it's a sponge)
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5
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What group of invertebrates is this?
cnidaria- it is coral
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5
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Water enters a sponge through its ______________ and deposits nutrients.
central cavity
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5
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As adults, sponges are all motile. True or False?
False. They are all sessile, and live attached to rocks or coral.
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