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Direction: Which adaptive structure is used by the animals below in order to surviveunderwater? Write all the structures.
1. Whale-______________
2. Catfish-_____________
3. Clam-_______________
4. Turtle -______________
5. Salmon-_____________​


Sagot :

Explanation:

whale

Lungs. Because they live underwater, bluewhales need highly efficient lungs to survive. Their lungs exchange 80-90% of oxygen, as opposed to humans who only exchange 10-15%. The trachea extends all the way to the center of the lungs to help adapt to its diving habits.

catfish

Hard shells, warm fur, and sharp thorns are examples of how an organism's form or body can adapt it for survival. These are called physical adaptations. Acatfish has whiskers with taste buds. With this physical adaptation, the fish finds food that it can't see in the darkness at the Hudson's bottom

clam

Clams have a muscular foot that they use to burrow into the sediment. Clams are filter feeders and havesiphons for pumping water over their gills, which remove both oxygen and plankton (food) from the water. Clams are an important source of food for both land and marine predators

turtle

A structural adaptation of the Sea Turtle are their forelimbs and neck, the forelimbs are modified into long, paddle-like flippers for swimming, it allows the Green Turtle to maintain its speed whilst travelling in the ocean

salmon

The other highly notable adaptation in salmon is their gills. Atlantic Salmon have four sets of gills with specialized cells that allow them to migrate between salt and fresh water. The four sets also allow for efficient dissolving of oxygen

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