Aquatic Ecosystems Question Preview (ID: 49461)


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____ ecosystems include streams, rivers, ponds, and lakes.
a) freshwater
b) marine
c) rainforest
d) tundra

A(n) _________ is found where the fresh water of a river meets the salt water of an ocean.
a) stream
b) estuary
c) bay
d) pond

Located on the shore, the ________ zone is home to organisms that can survive pounding waves and sudden changes in water levels and temperatures.
a) surface
b) Neritic
c) current
d) intertidal

There are two types of aquatic ecosystems: freshwater biomes and ______ biomes.
a) marine
b) intertidal
c) lake
d) ocean

Organisms like the giant squid and anglerfish are adapted to life in the dark of the _____ zone.
a) neritic
b) surface
c) deep
d) intertidal

All ________ are affected by the same nonliving factors: sunlight, temperature, oxygen, and salt content.
a) aquatic ecosystems
b) land ecosystems
c) Neritic ecosystems
d) estuary ecosystems

Most of Earth's surface is covered with water, yet only ____ is fresh water.
a) 30%
b) 70%
c) 3%
d) 1%

Usually lakes are larger and deeper than ____ .
a) ponds
b) oceans
c) estuaries
d) rivers

Tuna, swordfish, and some whales feed on algae in the _____ zone.
a) intertidal
b) surface
c) neritic
d) deep

The _____ is a region of shallow water where many living things, such as algae and schools of fish live.
a) intertidal
b) neritic
c) surface/open
d) deep/open

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