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Afina-wow [57]
3 years ago
13

Which of the following is a disadvantage of sexual reproduction?

Biology
2 answers:
Liula [17]3 years ago
6 0
Answer: <span>A) Slow to repopulate

------

Genetic variation is an advantage of sexual reproduction. It increases survival and the ability to adapt in a species. Species with genetic variation can respond better to environment changes, since the genetic variability allows some to be immune to disease or adapt better to a change, and live to reproduce.

Slow to repopulate is a disadvantage because the species cannot recover quickly after a large disaster. It also means they cannot adapt as quickly to an environmental change.</span>
densk [106]3 years ago
4 0
Yeah the answer is A. because b is a advantage lol mark the other person brainly...
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What body system are capillaries from? Provide evidence from the internet. (This can be a short sentence lol)
iris [78.8K]

Answer:

Circulatory System

Explanation:

Capilaries are tubes that transport blood and provide nutrition through diffusion in tissues. Transporting blood is a function of the circulatory system.

5 0
2 years ago
In the classic Meselson and Stahl experiment, Coli are first grown in 15N-enriched media (0th generation) and subsequently switc
AfilCa [17]

Options are not provided inthe question. Th ecomplete question is as following:

In the classic Meselson and Stahl experiment, Coli are first grown in 15N-enriched media (0th generation) and subsequently switched to 14N media. A DNA sample isolated during the first generation of E. Coli grown in 14N media is subjected to a centrifugation step in a dense CsCl gradient. Assuming that replication occurs in a semiconservative fashion, the DNA sample will _______.

1) run as two bands (of equal intensity), one at the same position as a uniformly 15N-labeled DNA, and one at the same position as a uniformly 14N-labeled DNA.

2) run as one band, at the same position as a uniformly 15N-labeled DNA.

3) run as one band, at the same position as a uniformly 14N-labeled DNA. run as one band, at a position expected for a DNA containing a 14N:15N ratio equal to 7.

4) run as one band, at a position expected for a DNA containing a 14N:15N ratio equal to 1.

Answer:

1)

Explanation:

In 1957, Meselson and Stahl gave an experimental evidence for semi-conservative replication  of DNA, means that each DNA strand act as template for synthesis of new DNA.

For the experiment, they use  E. coli grown in heavy isotope of 15N nitrogen and switch to 14N nitrogen undergoing one, two, or three generations and the DNA samples are collected. The DNA samples are then mix with cesium chloride and separated as light and heavy DNA.

As the replication occurs in a semiconservative fashion, the double DNA sample will run as two bands with intermediate density, having mixtures of 15N and 14N DNA, either of which would have appeared as DNA.

Hence, the correct option is (1).

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3 years ago
Susan wants to see how different chemicals in the soil affect plant growth. Therefore, she gets all of the same type of plant, s
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The independent variable is the plant growth or how much the plants grow.
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mixas84 [53]
There's a bunch of examples.
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Or dominant hand type. Right hands are dominated over left hands.

Or hair types. Curly hair dominates straight hair.

If you google it, you'll get a lot more examples.
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3 years ago
A population of mice has grown so rapidly that there are 2,400 individuals in an ecosystem that will support about 1,800 mice. t
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<span>undergo a dramatic decline in size, possibly to a stable level at or below 1,800 individuals.</span>
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