
Fill In Sentences:
Ecosystems
INSTRUCTIONS:
Fill in each blank box with the word from the above list that best completes the sentence.
Be Sure to fill in all of the answers before you click submit.
You will not be able to edit the results after submission, but you will be able to retake the entire activity.

Definition Matching:
Ecosystems
INSTRUCTIONS:
For each vocabulary word in the left column, locate its definition in the right column.
Type the number of the correct definition in the blank before the word.
Be Sure to fill in all of the answers before you click submit.
You will not be able to edit the results after submission, but you will be able to retake the entire activity.

Crossword:
Ecosystems
A sea otter pops to the ocean surface along the Pacific coast. It is surrounded by strands of giant seaweed called kelp.
The otter floats on its back. It grasps a spiny sea urchin in its little paws. The sea urchin is the otter’s favorite food.
3 Topics in this unit
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Free
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Coral Reefs
It begins about 10,000 years ago, toward the end of the Ice Age.
- 900L-1040L
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Free
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Ecosystems: Connected and Balanced
A sea otter pops to the ocean surface along the Pacific coast. It is surrounded by strands ...
- 900L-1040L
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Extreme Ecosystems
Earth’s ecosystems range from wild to mild. One of the wildest and most diverse is t ...
- 900L-1040L