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Marine Vertebrates
Marine Vertebrates Review
Question | Answer |
---|---|
How do Agnathans get their nutrients? | They are parasitic and feed off of other organisms |
Why are there no true marine amphibians? | Their skin is too permeable to the salt water |
In the gill of a fish, water and blood circulates in opposite directions which ___ transfer efficiency. | increases |
What order are marine mammals found in? | Cetacea; order Carnivora, suborder Pinnipedia; order Carnivora; and Sirenia |
Describe the order Cetacea. | Cetaceans are the whales, dolphins, and porpoises with two main groups—baleen and toothed. |
Describe the characteristics of marine turtles. | Sea turtles have flippers, cannot bring their head into their shell, and excrete excess salt through their eyes |
Are skates venomous fish? | skates are not venomous fish |
Are all sea snakes are venomous? | Yes, all sea snakes are venomous. |
Manatees are referred to as sea cows because ... | they are slow moving animals that graze on grass. |
Are most sharks dangerous to humans? | Most sharks are not dangerous to humans. |