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alexgriva [62]
3 years ago
15

Conservation biologists provide strong arguments about why we should all care about preserving biodiversity. When considering th

e resources we get from nature as well as the services the ecosystem perform, it is clear that life on Earth is threatened when biodiversity itself is threatened. Which of the following are services by natural, well-functioning ecosystems?
Nutrient cycling

Decomposition of dead orangisms

Dispersal of pollen and seeds

Increase in ambient global temperatures

Purification of air and water

Reduction in the severity of drought and floods

Pollination of crops and natural vegetation

An increase of erosion and siltation along waterways

Source of medicines

Recyling energy to be used again

Regulation of oxygen and carbon dioxide levels
Biology
1 answer:
Ahat [919]3 years ago
5 0

Answer:Increase in ambient global temperatures.

Recyling energy to be used again

Regulation of oxygen and carbon dioxide levels

An increase of erosion and siltation along waterways

Explanation:

Conservational biologists think about the preservation of ecosystem by maintaining the environment in a human control way.

Increase in ambient global temperatures.: The humans must prevent the increase in global temperature worldwide by preventing the rise of greenhouse gases which can lead to global warming worldwide.

Recyling energy to be used again: The sources of energy like wood, waste water can be recycled again for reutilization.

Regulation of oxygen and carbon dioxide levels.: The oxygen and carbon dioxide levels must be regulated. As oxygen is the basic requirement for respiration. The increase in carbon dioxide levels due to human activities is likely to cause respiratory diseases and health hazards in living beings.

An increase of erosion and siltation along waterways.: The erosion and siltation will likely to deposit nutrients and debris which may either contaminate the waterway or may cause eutrophication.

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Answer:

There are many types of evidence which support the theory of evolution such as comparative anatomy, fossil records, phylogenetic relationship, embryology et cetera

Comparative anatomy includes homologous organs and analogous organs. They support divergent and convergent evolution respectively.  

For example, the homologous structure of limb of humans, birds, bat, horse, whale et cetera show that they are made up of the same set of bones which are humerus, radius, ulna, carpals, metacarpals, and phalanges.  

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Embryological evidence: When early stages of embryological development of different organisms are compared, it is found that these stages are similar at different levels of development.

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Answer:

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Explanation:

Try it with an example

m = 4

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Now double the mass

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KE = 256 double what it started out as.

Now do it again.

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KE = 1/2 4 * 16^2

KE = 2 * 256

KE = 512

When the velocity is doubled the KE becomes 4 times as big.

4*128 = 512

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