Question

Should human beings be considered a nonnative (invasive species) or a "keystone species?" In your explanation please use at least one example of a nonnative species to and one example of a "keystone" species to help illustrate your point. Show why humans do or don't act as invasive or keystone species. Use specific behaviors and impacts in your answers. Limit your response to no more than 500 words.

Answer 1

keystone species are those who are predators and controlls the population of other small species. eg. predators that eat the herbivorous and controll the population of them. keystone species affects the overall ecosystem by controlling each step in food chain.

Invasive species are those species which are non native for particular location, damages environment and affects human health and economy. it has adverse effect their habitative.

humans are more invasive than keystone because from the evolutation of humans, they migrates from different parts of words to other parts, for their better existance and used the environmental resources. thus damaged the environment and overall health of other humans.

as the characteristics of invasive species, human can migrate, they are non native for particular habitate, they are widespread and damages the environment and health.

hence humans are more invasive species.