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WorksheetsScience - Power Up to the STAAR (RC4) pg. 21
Total questions: 5
Worksheet time: 3mins
Students are asked to draw a diagram that represents the carbon dioxide cycle in their notebooks. Which diagram best represents the carbon dioxide-oxygen cycle?
A
B
C
D
Which answer choice best fits in the missing blank on the chart below?
- Without oxygen ==> Animals can't breath or survive
- Without carbon dioxide ==> ?
Plants are unable to make their own food through photosynthesis
plants will be able to make their own food
plants will be able to release oxygen
plants are unable to get energy from the sun
The white-tailed deer population is largest in Texas. How does the white-tailed deer affect the air that plants in Texas need to make their own food?
The deer release carbon dioxide into the air that is used by plants
The deer releases moisture into the air that is used by plants
The deer releases toxic gases into the air that harms plants
The deer releases oxygen into the air that is used by plants
The image below is a forest ecosystem. If all the animals in this ecosystem are removed.
carbon dioxide
nitrogen
helium
oxygen
Which answer choice best explains the importance of the carbon dioxide-oxygen cycle to the survival of plants and animals?
Plants release carbon dioxide and animals breathe in oxygen
Plants and animals breathe in oxygen and release carbon dioxide
Plants release oxygen and animals release carbon dioxide
Plants and animals breathe in carbon dioxide and release oxygen
