Benthos Explorers Worksheet
Explore the fascinating world of benthos, the organisms living on or in the seabed, with this engaging Grade 5 science worksheet.
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Benthos Explorers Worksheet
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Read each question carefully and answer to the best of your ability. Good luck!
The ocean is full of amazing creatures! Some live near the surface, and some live deep down. Benthos are organisms that live on, in, or near the bottom of a sea, lake, or river. They play a very important role in aquatic ecosystems.
1. What is the main characteristic of benthos organisms?
They swim freely in the open water.
They float on the surface of the water.
They live on or in the bottom of a body of water.
They live only in freshwater rivers.
2. Which of the following is an example of a benthos organism?
A whale
A jellyfish
A starfish
A salmon
3. Benthos organisms can live in the , which is the bottom of the ocean.
4. Some benthos organisms are , meaning they stay in one place.
5. All benthos organisms are tiny and cannot be seen without a microscope.
True
False
6. Benthos organisms are an important part of the food web in aquatic environments.
True
False
7. Name two different types of benthos organisms you might find in an ocean.
8. Why are benthos organisms important to the health of a marine ecosystem?
Observe the image below showing a benthic habitat.
9. Based on the image and what you've learned, describe one adaptation a benthos organism might need to survive in this environment.
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