12. What are the things needed by plants to make their own food
A. water. chemicals and oxygen
B. oxygen and carbon dioxide
C. oxygen and chemicals
D. carbon dioxide, soil and sunlight
13. Which of the following describes a canopy of the rainforeste
A. composed of trees that are 130 to 180 feet tall
B. about 59 feet and consists of trunk of canopy.shrubs, small pl
C. consists mostly of fungi. Insects, worms and litter from taller tre
D. has slender trees from a dense platform of vegetation with 6
14. What kind of interaction is shown when one organism kills ar
A mutualism
B. commensalism
C. parasitism
D. predation​

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