ECOLOGY
ORGANISMS AND THE ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Trees that replace the original trees after a forest fire
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Organisms to live in previously uninhabited areas
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Organisms to live in a forest canopy
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Trees to grow in an area that has been disturbed
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Detailed explanation-1: -The first species to colonize an area after a major disturbance are called pioneer species; they help to form the new environment. Secondary succession occurs after a disturbance such as a forest fire, where there is still some organic matter to allow new plants to grow.
Detailed explanation-2: -The first organisms to live in an uninhabited area are called pioneer species. Pioneer species, such as lichens, grow on rock and help to form soil in which plants can grow.
Detailed explanation-3: -A pioneer species is one that’s typically the first to colonize a barren ecosystem. These hardy plant and microbial species are also the first to return to environments that have been disrupted by events like wildfires and deforestation.
Detailed explanation-4: -The first organisms to appear in areas of primary succession are often mosses or lichens. These organisms are known as pioneer species because they are the first species present; pioneer species must be hardy and strong, just like human pioneers.
Detailed explanation-5: -The first organisms appearing in the regions of primary succession are pioneer species (usually lichens or mosses). They are the first species present. They must be strong and hardy. The development of a new community is succession.