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kari74 [83]
2 years ago
14

The hydrilla plant was introduced to freshwater habitats, like ponds and streams, in Georgia. Scientists found out that it crowd

s out the other water plants. It also uses up oxygen needed by other organisms living in the water.
What MOST LIKELY happens when the hydrilla plants increase in a body of water?
A) Young fish get more food to eat.
B) Fish lay more eggs in the hydrilla.
C) Other water organisms begin to die.
D) Small fish get more hiding space from bigger fish.
Biology
2 answers:
Setler [38]2 years ago
6 0

Answer:

The answer is C. Other water organisms begin to die.

Nataliya [291]2 years ago
3 0

Answer:

c

Explanation:

other water organisms begin to die.

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Bacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two sampl
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Answer:

Sample A

T= 21.3% and A= 21.3%

G=28.7% and C= 28.7%

SAMPLE B

T=28.7% and  A= 28.7%

G= 21.3% and C= 21.3%

Sample A would have higher melting temperature

Explanation:

According to given information, sample A contains 21.3% thymine.

Percentage of adenine in sample A= 21.3% (Since adenine base pairs with thymine, so, adenine and thymine are present in equal amount in a double stranded DNA)

Total of A+T in sample A= 21.3 + 21.3 = 42.6%

G+ C content of sample A= 100-42.6= 57.4%

Percent G content of sample A = 57.4/2 = 28.7%

Percent C content of sample A = 28.7%

SAMPLE B:

According to the given information, sample B contains 28.7% thymine.

Therefore, percent of Adenine base in sample B= 28.7%

Total of A+T content in sample B= 28.7 + 28.7 = 57.4%

G + C content of the sample B = 100-57.4= 42.6%

Percent G content of the sample B= 42.6/2= 21.3%

Percent C content of sample B = 21.3%

There are three hydrogen bonds between a GC pair while there are only two hydrogen bonds between AT pair. The DNA content with higher GC content has higher melting temperature. Therefore, sample A would have higher melting temperature.

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