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What is the definition of a pioneer species, and what are some examples?

Answer 1

Pioneer species are the ones that start succession in an area like a bare rock. Examples are lichens which make dents in this rock which eventually becomes a suitable environment for small plants like mosses to live, and the succession goes on.

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Answer 2

Roman Acosta

A pioneer species is a hardy species that is one of the first to colonize an area that has been disturbed or where there is little to no vegetation. Pioneer species are often able to thrive in harsh conditions and can tolerate a variety of environmental stressors. They play a crucial role in initiating ecological succession, paving the way for the establishment of more diverse plant and animal communities over time.

Examples of pioneer species include lichens, mosses, ferns, and certain grasses. In aquatic ecosystems, algae and certain types of bacteria can also act as pioneer species.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.