Multiple Choice
In the process of ecological succession following a primary disturbance, what type of organisms are typically the first to colonize the newly exposed area?
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48. Ecology
Introduction to Ecology
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What type of ecological interaction exists between the koala and the eucalyptus?
A
Parasitism
B
Herbivory
C
Mutualism
D
Commensalism
Verified step by step guidance1
Understand the ecological interaction types: Parasitism involves one organism benefiting at the expense of another; Herbivory involves an organism feeding on plants; Mutualism involves both organisms benefiting; Commensalism involves one organism benefiting without affecting the other.
Identify the relationship between the koala and the eucalyptus: Koalas feed on eucalyptus leaves, which means the eucalyptus is being consumed.
Recognize that this interaction fits the definition of herbivory, as the koala is a herbivore consuming plant material.
Eliminate other options: Parasitism does not apply because the koala does not harm the eucalyptus in a parasitic manner. Mutualism does not apply because the eucalyptus does not benefit from the koala. Commensalism does not apply because the eucalyptus is affected by being consumed.
Conclude that the correct ecological interaction between the koala and the eucalyptus is herbivory, as it involves the koala feeding on the plant.
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