Aquatic Ecosystems Answers

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3

What adaptation do the roots of mangroves have that make them well-adapted to life in the wetlands?

A
Their roots are long enough to reach the deepest areas past the continental shelf.
B
Their roots rest loosely in the soil so the fast currents will pull them up and allow them to float.
C
Their roots are near the surface, where they have access to oxygen.
D
Their roots can survive in salt or fresh water.
7

How are alligators well adapted to live in wetlands?

A
They have a sleek body and strong legs, for moving.
B
They have sharp teeth and powerful jaws, for eating.
C
They have good eyesight, for observing prey.
D
They have a slow metabolism, for needing less frequent meals.
8

coral reefopen oceanstreamestuary

A
coral reef
B
open ocean
C
stream
D
estuary
10

What is the main difference between the intertidal zone and the neritic zone?

A
the amount of exposure to sunlight
B
the amount of salt in the water
C
the amount of time covered by water
D
the presence of plants and animals

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