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- 1. Multiple ChoiceHow do oysters benefit the ecosystem of the Gulf?They break down wave energyThey provide a habitat for other animalsThey filter sedimentsAll of the above
- 2. Multiple ChoiceWhat is the name of a baby oyster?A spookA spatA spotA joey
- 3. Multiple ChoiceHow many species of sharks have been discovered by scientists?55Between 100-200Around 300Over 400
- 4. Multiple ChoiceSharks use a jelly like substance in their pores to sense what?MovementWater PressureElectricityVibrations
- 5. Multiple ChoiceWhich internal organ does a shark use for swimming?LiverHeartStomachIntestines
- 6. Multiple ChoiceHow did brittle stars get their name?Because their arms are flexibleBecause they are related to star fishFrom their habit of breaking off arms as a means of defenseFrom the long forked and spiny brittle look of their arms
- 7. Multiple ChoiceVery low levels of oxygen in the water is called what?BenthosHypoxiaHypothermiaDissolved Oxygen
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