Explanation:

2. Briefly describe the five types of ecological relationships?

• The interaction among organisms within or between overlapping niches can be characterized into five types of relationships: competition, predation, commensalism, mutualism and parasitism. ... Symbiosis refers to a close relationship in which one or both organisms obtain a benefit.

3. why are relationships important in our ecosystem?

• All organisms in an ecosystem are connected in one way or another. In fact, populations of different species generally interact in a complex web of relationships. Relationships between species in communities are important factors in natural selection and help shape the evolution of the interacting species.

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Answer:

2. competition, predation, commensalism, mutualism and parasitism.

3.Relationships between species in communities are important factors in natural selection and help shape the evolution of the interacting species.