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Biology

Across
An organism made up of only one cell
Long, whip-like structure that some unicellular organisms use for locomotion
Fish
Use of pseudopods to move
Animals in general
The loss of an entire species
Down
Adjust to environmental conditions
Amphibians and reptiles
Birds
Insects
A physical or behavioral change that enables an organism to better adapt to changes in environment
Bees and bee-keeping
A "false foot" membrane surrounded by cytoplasm extended from amoeba and used for locomotion