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charle [14.2K]
3 years ago
5

This graph shows that bird ranges in the winter have been shifting northward over several decades

Biology
2 answers:
horsena [70]3 years ago
7 0
The first box is migration
The second box is the northern regions have become warmer because of climate change 
german3 years ago
5 0

Answer:

The first box is migration

The second box is the northern regions have become warmer because of climate change

Explanation:

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After stamping your replica plates, you return to examine the results and see that there are 100 colonies on the strep nal plate
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Answer/Explanation:

An important way of selecting for bacteria carrying specific recombinant DNA is to add a resistance gene (such as antibiotic resistance) to your gene of interest. That means that any bacteria that carry your DNA will be resistant to a specific antibiotic (in this case streptomycin). Therefore, you can grow your bacteria on plates with streptomycin, and in theory, the bacteria will be unable to grow if they don't have the resistance gene and your gene of interest.

Here, strain A does not grow on streptomycin plates, but strain B now has 100 colonies. This suggests strain B can grow on streptomycin, meaning it is resistant.

Strain B is therefore the streptomycin resistant master plate strain.

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Answer:

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Explanation:

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insens350 [35]
<span>because it could lead to the ocean currents warming up</span>
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when studying the earth, scientists usually consider it a closed system. How should that affect human decisions about managing r
Zarrin [17]

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In thermodynamics, a closed system can be described as a system which can exchange energy from outside but matter cannot be transferred from such a system. This means that the resources present on the Earth cannot be transferred or replaced and the waste can also not be removed. By understanding the concept of the closed system, humans should recognize the fact that many resources such as minerals present on the Earth cannot be replaced and hence, resources should be utilized effectively in a conserved manner. Also, as waste cannot be removed hence humans should stop forming such waste products which cannot be removed or recycled.

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