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kondor19780726 [428]
3 years ago
7

How is a scientific theory developed?

Biology
1 answer:
arsen [322]3 years ago
6 0

B

An experiment can't be done by one scientist. It needs to be proved by different scientists and in different environments.

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What is the likelihood that the children in square 1 will have earlobes that are not attached?
NeTakaya

Answer:

4/4, 100% ratio 4:0

Explanation: .

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3 years ago
Would a mutation in a red blood cell be passed on to offspring? Explain your answer.
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Mutations acquired by somatic cells are generally only retained by the individual they acquire in as there is no vector by which to transmit the mutation. 

<span>Between generations, the only mutations that may be transmitted are those already acquired from a parent, and those that occur within the individuals own germ cells. If mutations in the germ cells result in sperm or eggs that contain that mutation, then they may be transmitted to their offspring. </span>

<span>Red blood cells in all humans and other mammals, though, don't contain nuclear DNA and as such cannot acquire mutations.</span>
8 0
4 years ago
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suppose a species of beetle feeds on grass in a grassland ecosystem toads prey on the beetle in which of the following scenarios
Nataly_w [17]
The possible answers are 
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<span>B. an influx of soil nutrients results in increased grass growth </span>
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The correct answer is D

The increase in numbers in the toad population after a warm and wet spring would mean that there are more toads that prey on the beetles and that they are limiting the beetle population by hunting them.</span>
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4 years ago
Why is DNA replication more complex in eukaryotes than in bacteria?
brilliants [131]
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3 0
4 years ago
Which statement best describes the importance of carbon in the atmosphere?
Bogdan [553]

Answer:

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and plus i did the test

Explanation:

8 0
3 years ago
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