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What are pioneer species? What is the role of the pioneer species?
Pioneer species are those first species that colonize places where before there were no living beings, like, for instance, algae that colonize bare rocks. In general, pioneer species are autotrophs or those that maintain harmonious ecological interaction with autotrophic beings (as autotrophic bacteria, herbaceous plants, lichens).
The pioneer community is produced of species able to survive under hostile environments. The presence of these species changes the microenvironment generating changes in abiotic and biotic factors of the ecosystem undergoing formation. Thus they open the way to other species to establish in the place by the creation of latest potential ecological niches.
Viral vectors There are a large number of viral vectors available which can transfer the desired sequence properly into the host. Examples of the viral vectors are as follows
what is life process
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Q. Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes an adaptation to terrestrial life? Eyelids associated to lacrimal glands protect and
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