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I need a link to a site that will have this answer, This is a school project. The quicker the answers the better!

Niche: the roll, or several specific rolls an organism plays in its environment. (consumer, producer, parasite, types of symbiotic relationships etc.)

Niche: the roll, or several specific rolls an organism plays in its environment. (consumer, producer, parasite, types of symbiotic relationships etc.)

How they have each adapted to their environment, and any niches in that environment, and then a comparison of the three 🙂 thank you x

The realized niche is a subset of the characteristics of the fundamental niche, as a result of competition from another species, or just plain not having all of the characteristics of the fundamental niche in the local environment.
As such, the realized niche is going to fluctuate if the population(s) of the competitors fluctuate(s). Or, something like climate change can change the local environment, and change what resources are available at all.

Parasites like other organisms carry out a niche or a functional role in the environment. Describe their functional role. How do they interact at the various emergent levels of ecology? Population, community, ecosystem levels