Activity 1: Life's Organizational
Are you familiar with cross word puzzle? Your task is to complete the crossword
puzzle below.
Across
3. A collection of organelles surrounded by
a membrane
6. A group of tissues working together
7. populations of organisms belonging to
different species
8. A group of cells working together
Down
1. A group of organs working together
2. number of organisms of the same
species
4. A living thing
5. ecosystem is a community where
organisms interact
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