Exploring Benthos: Life at the Bottom
A worksheet for 6th graders to learn about benthos, the organisms living on or in the seabed, and their importance in aquatic ecosystems.
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Exploring Benthos: Life at the Bottom
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Read each question carefully and answer to the best of your ability. Good luck!
Benthos refers to the community of organisms that live on, in, or near the seabed, riverbeds, or lakebeds. These organisms play a crucial role in aquatic ecosystems.
1. What is the primary characteristic of benthic organisms?
They live on the water's surface.
They swim freely in the water column.
They live on or in the seabed.
They are microscopic organisms only.
2. Which of the following is an example of a benthic organism?
A whale
A jellyfish
A sea star
A shark
3. Benthic organisms are important because they help to keep the aquatic environment .
4. Organisms that live buried in the sediment are called .
5. All benthic organisms are stationary and cannot move.
True
False
6. Benthic zones can be found in both freshwater and saltwater environments.
True
False
7. Describe one way benthic organisms contribute to the health of an aquatic ecosystem.