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15
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What does a sea cucumber use as a method of defense?
It eviscerates some of it's organs, and ejects them to distract an enemy while it gets away?
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15
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Why do arthropods molt?
They have a hard exoskeleton made of chitin, so they need to shed it and create a new one when they grow
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15
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What phylum are tunicates, and lancelets in? Why is this unexpected?
Phylum Chordata. this is unusual because they are invertebrates.
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boom
Lose 50 points!
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fairy
Take points!
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25
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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heart
Other team wins 5 points!
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fairy
Take points!
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25
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
15
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What is a mollusks foot used for?
Locomotion, anchoring and obtaining food
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What gives a tunicate it's name?
the leathery tunic it develops as an adult
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What do cephalopods use as a method of propulsion?
they expand thier mantle and draw in water, and then contract their mantle forcing the water out.
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What is chitin?
A derivative of carbohydrate that provides flexibility and support. Exoskeletons are made of chitin
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What is a carapace?
An armored shield that covers the anterior portion of an arthropod
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What s the common name for a gastropod, and what does gastropod mean?
Snails, Stomach-foot organisms, (coiled body organs sitting on a large muscular foot)
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trap
No points!
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fairy
Take points!
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25
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
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15
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What is a radula?
an organ found in mollusks, covered with hundreds of small teeth that is used for scraping food into the mouths of mollusks
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15
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What unique reproductive strategy do female crustaceans employ?
The store sperm to use with future hatches of eggs.
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What do cuttlefish use chromatophores for?
camouflage
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What is the mantle?
A sheath of tissue surround the the organs of a mollusk, producing a shell and aiding in respiration.
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