Exploring Benthos: Life at the Bottom
A Grade 3 science worksheet introducing students to benthos, the organisms that live at the bottom of bodies of water, and their importance in the ecosystem.
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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!
What are Benthos?
Benthos are amazing creatures that live at the very bottom of oceans, lakes, and rivers. They can be tiny, like worms, or bigger, like crabs and sea stars. These creatures are an important part of the aquatic ecosystem!
1. Where do benthos organisms live?
At the surface of the water
In the middle of the water
At the bottom of the water
On land
2. Which of these is an example of a benthos organism?
A bird flying over the water
A fish swimming near the surface
A crab on the ocean floor
A cloud in the sky
3. Benthos are creatures that live at the of oceans, lakes, and rivers.
4. Worms and sea stars are examples of organisms.
5. Only big animals can be benthos.
True
False
6. Benthos are an important part of the aquatic ecosystem.
True
False
7. Name two types of bodies of water where benthos can live.