Multiple Choice
Plants grow as new organic molecules are formed by plant cells.Most of the carbon in the newly created organic molecules of these plants ultimately came from
A) carbon dioxide in the air.
B) carbon dioxide released during the production of plant sugars.
C) proteins and carbohydrates absorbed by the roots of the plants.
D) carbon compounds absorbed from water.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Which one of the following is a
Q5: Biogeochemical cycles involve<br>A)only biological processes.<br>B)heat loss from
Q6: Consumers that eat plants rely upon<br>A)chemical energy
Q7: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6376/.jpg" alt=" -This image represents
Q8: Most organisms use water in<br>A)the form of
Q10: A form of a biome is largely
Q11: Energy<br>A)and nutrients flow one way through ecosystems.<br>B)and
Q12: When you exercise,you can feel your body
Q13: In Lake Michigan,resources would include<br>A)pH of the
Q14: Which of the following best represents potential