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Marine Vertebrates

Marine Vertebrates Review

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.
Created by: allinone