1. 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
of
2. What kind of interaction is shown when worms live in the guts and flesh
a fish?
A. mutualism
B. commensalism
C. predation
D. parasitism
3. What kind of interaction is shown when monkeys in tropical rainforest
compete for food with other animals?
A. mutualism
B. commensalism
C. competition
D. predation
answer quickly.