Biology confusion, 10 points.?

[Rose L]

Which substances do plants produce as waste products?
carbon dioxide and oxygen
oxygen and urine
carbon dioxide and urine
carbon dioxide and uric acid


Which statement best describes waste removal in a flatworm?
Flatworms store wastes in their bodies until they die.
Flatworms have an extensive branched system that removes liquid waste.
Flatworms process solid, liquid, and gaseous waste in the same body system.
Flatworms have no specialized waste removal system.


Which statement best describes the relationship between plants and oxygen?
Plants do not need any oxygen from the air because they produce it during photosynthesis.
Plants produce oxygen during photosynthesis and they also need oxygen from the air for cellular respiration.
Plants do not need oxygen because they use carbon dioxide in cellular respiration.
Plants do not need oxygen because they do not undergo cellular respiration.

[Sabrina]

It's probably easier for you than any of us, you're the one with the text book and all the answers.

[missvictoria30]

Question 1 None of the above. Urine/uric acid is a byproduct of protein metabolism, found in animals. Plants produce oxygen and sugar FROM carbon dioxide

Question 2 B

Question 3 C