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scZoUnD [109]
3 years ago
14

Distinguish between native, nonnative, indicator and keystone species. Give an example of each. Explain why amphibians are good

indicator species. Lists reasons for their decline and at least one example where this is happening today.
Social Studies
1 answer:
Leokris [45]3 years ago
3 0

Answer:Native specie are species that naturally lives in an ecosystem.They are usually assisted by new species.

Non native specie;These are species that exist outside their natural range.They usually exist where they have not naturally occured and they don't hinder the presence of other specie in the ecosystem.

Indicators are organisms whose existence is largely dependent on the condition of the ecosystem.

Key stone specie;These species have significant impact on their eco system.Non existence of these species can cause significant regress In an ecosystem.

Causes of decline of the listed species.

1)Pathogens and pest.

2)Human causes.

3)Loss of habitat.

4)Loss of pollinators and other plant partners.

Owl as an indicator specie has declined.

Explanation:

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Democracy, Africa ruled by Africans, end of segregation and racism, improving the economy and using the resources instead of being used by others etc.

Explanation:

Nelson Mandela is a famous historic figure from South Africa. He is best known for leading a movement for ending the apartheid in South Africa and promoting rights for the black people of this country. Also, Mandela was elected as the first black president of South Africa.

The ideals and beliefs of Nelson Mandela were that there should be no segregation and racism in South Africa. Everyone should have the same opportunities in life. Africans need to rule the African countries, not the white people. There should be democracy established. The resources with which South Africa is rich should be used by South Africa only, not to be exploited by other countries.

While all of these ideas seem to be good in general, in practice it didn't really had any particular positive effect. South Africa has been ruled by Africans for around three decades now. The conditions in the country have not improved. There's no real democracy. The racism is widespread, just that now the cards have reversed and it is the black population that terrorized the white population. The economy is similar situation and is everything but prosperous and powerful one.

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What does the serengeti plain look like?
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During her psychology test, Kelsey could not remember the meaning of the term retroactive interference. Surprisingly, however, s
djverab [1.8K]

Answer:

This question is incomplete. Here are the missing options:

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The answer is a. automatic processing.

Explanation:

Automatic processing is described as cognitive processes that occur unintentionally and with little to no attention. In the example, Kelsey could remember the details about the word's position unconsciously.

Remembering the meaning of the term, on the other hand, would have required <u>controlled processing</u>.

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