19. What kind of interaction is shown when animals like crabs and mollusks help break down
plant litter in a mangrove ecosystem through grazing?
A. competition
B. commensalism
C. parasitism
D. mutualism
20. Why is producer important in an ecosystem?
A. It is the source of food to the consumers.
B. It is an organism that eats plants.
C. It breaks down organism into smaller particles.
D. It is a series of feeding relationship.
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Answers & Comments
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19. What kind of interaction is shown when animals like crabs and mollusks help break downplant litter in a mangrove ecosystem through grazing?
A. competition
B. commensalism
C. parasitism
D. mutualism
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A relationship between individuals of two species in which one obtains food or other benefits from the other without harming or benefiting the latter.
20. Why is producer important in an ecosystem?
A. It is the source of food to the consumers.
B. It is an organism that eats plants.
C. It breaks down organism into smaller particles.
D. It is a series of feeding relationship.
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Producers are extremely important living things within an ecosystem because they make food for other organisms.
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correct me if i'm wrong
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