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- describe a local ecosystem and how many population can be impacted due to a short-term environmental changeWhat is not used for construction of ecological pyramid?If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.
- Ecological niches can be affected by species interactions? True or FalseWhat is an ecological footprint? Explain what is meantby the term overshoot.1. a)Write an essay on ecosystem productivity. b) Define ecological pyramid and indicate the limitations of ecological pyramids. c) Explain why detritivores, decomposers and omnivores are not assigned trophic level.