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Aquatic Populations

Authored by Sarah Zahn

Biology

9th - 12th Grade

Used 2+ times

Aquatic Populations
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Plankton are the primary producers of the ocean. Where would you find ​MOST of the plankton in the ocean?

near the surface of the ocean

along the seafloor of the ocean's coral reefs

near the bottom of the ocean

in the colder and polar regions of the ocean

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pH of a lake in Florida has decreased below 5.0 due to an increase in acid rain. Which of the following is MOST LIKELY to occur as a result of the pH change?

increase of fish populations

decrease of fish populations

increase in the plankton populations

decrease of water temperatures

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do ecologists classify aquatic ecosystems?

Salinity

Depth

Movement

All of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Salinity refers to

how many plants are in the water

how many organisms live in the water

how much salt in is water

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

An area in which fresh water from a river mixes with salt water from the ocean

Mangrove Swamp
Estuary
Marshes
Wetland

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two factors that determine where an organism lives in aquatic ecosystem are 

Temperature and sunlight
Neighbors and housing prices
Fish and wildlife
Darkness and tree height

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Area in a body of water where it is cool and dark and bottom-feeders are located.

Oceanic Photic Zone

Benthic Zone

Intertidal Zone

Neritic Zone

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