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Aquatic Ecosystems Quiz

Authored by Carrie Webb

Biology

9th Grade

Aquatic Ecosystems Quiz
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31 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the types of fish and plants that can live in a lake?

The temperature of the water

The amount of dissolved salts the water contains

The depth of the water

The amount of sunlight available

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a marine biology expedition, researchers are focusing on organisms that are not anchored to the ocean floor but move freely in the water column. These organisms can be as tiny as microscopic algae or as large as a jellyfish. What term best describes these organisms?

Plankton

Benthos

Nekton

Wetland

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a marine biology expedition, researchers are studying organisms in a coastal ecosystem. What characteristic are they observing when they note organisms living attached to rocks or burrowing into the ocean floor sediments?

Living attached to hard surfaces or burrowing into sediments

Drifting in the water column

Being microscopic algae

Being the main food source for most aquatic ecosystems

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a wetland?

A type of plankton

An area periodically under water

A free-swimming organism

A bottom-dwelling organism

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Imagine visiting a beautiful lake surrounded by lush forests. As you walk closer to the shore, you notice an area teeming with fish, plants, and various forms of aquatic life. What is this nutrient-rich area near the shore called, known for its diverse and abundant aquatic life?

Benthic zone

Open water zone

Littoral zone

Limnetic zone

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Imagine visiting a serene lake surrounded by a lush forest. In which zone of the lake would you find floating plants such as water lilies and rooted plants like cattails and reeds?

Benthic zone

Limnetic zone

Littoral zone

Aphotic zone

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which zone do phytoplankton make their own food by photosynthesis?

Benthic zone

Limnetic zone

Littoral zone

Aphotic zone

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