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PART A. Fill in with the necessary word to complete the thought below. Choose and
answer on the space provided. (Note: There are words that can be
use twice)


1.___take in oxygen from the 2.___
animals and give off carbon dioxide during respiration. This occurs day and night. 3.___
however, give off 4.____ and take in 5.____ when they 6.____ during daytime. At night, when 7.____
are in darkness and cannot photosynthesize, they breathe just like an animal. They take in oxygen and give and give off 8. ___

Choices:
Plants
Animals
Atmosphere
Carbon dioxide
Oxygen
Photosynthesis​