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Ecosystems

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Emilia Morissette

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Cards in this guide (20)
What is emigration

Emigration is the act of moving out of a country.

It is distinguished from Immigration that is the act of moving into a new country.

Is a tiger a keystone or endemic species

It is a keystone species

If the birthrate is 10 per 1000 and the death rate is 10 per 1000 then the growth rate is

If the birthrate is 10 per 1000 and the death rate is 10 per 1000 then the growth rate is zero.

The least likely impact of Gutenberg's adaptation of the printing press in 1439 was

the suppression of literacy in Europe

The relationship between the crocodile and the Egyptian Plover is an example of

mutualism

What is true about secondary consumers in an ecosystem

A secondary consumer is a predator that eats the primary consumer in an ecosystem.

Flow of energy in an ecosystem= primary producer>primary consumer>secondary consumer>teriary consumer

What best describes how succession changes the ecosystem

The ecosystem becomes more stable and diverse.

What statement describes negative population growth

More people die than are born during a given period is a statement that describes negative population growth. The statement describes negative population in Western Europe.

Which of these is most likely to occur when biodiversity is lost in an ecosystem

Answer this question… A loss of potential sources of future medicines

Which of these is an example of an adaptation

Answer this question… A rabbit in the Arctic has fur that blends in with snow.

Which of these is a result of increased biodiversity in an ecosystem

Answer this question…

Increased ecosystem stability

Based on the information in the graph which region's population currently growing the least

Africa -apex

The graph below shows the population of mice in an ecosystem where the mice are not allowed to enter or leave. Which best describes the population at point C

The birthrate is higher than the death rate (APEX)

Which of the following is a benefit of using dams as a source of freshwater

dams help control floodwater

How is the ecosystem likely to change as a result Select the two correct answers.

Loss of habitat

Loss of species

If 59 of 100 organisms are p what is q

It may be 41.

How are the plants in a desert ecosystem most likely to differ from the plants in a rain forest ecosystem

The desert plants are likely to be better at retaining water

Which is true about adaptions

Organisms are born with them

which would most likely increase the carrying capacity for humans in a certain region ( apex )

crops that grow more reliably

What concept of “contained in” includes which of the following Select ALL the correct responses

Select ALL the correct responses. The concept of “contained in” includes which of the following?

  • No additional interpretation or analysis is needed to determine the classification of the information.
  • Classified information is not clearly or explicitly stated in the source document.
  • Classified information comes from an authorized source into a new document.
  • A reader can deduce the classified information by performing additional interpretation or analysis.
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