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nydimaria [60]
4 years ago
8

Which scientist first discovered DNA?

Social Studies
2 answers:
yulyashka [42]4 years ago
7 0

Answer:

frances crick

Explanation:

but was first identified by Fredrick Miescher

MakcuM [25]4 years ago
6 0

Answer:

Francis Crick

Explanation:

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If you reach out and touch a dog's ear while he's sleeping it twitches. This is an example of
Roman55 [17]
A "stimulus" is basically an event that happens in the outside environment that triggers a response.  So, when you touched the dog's ear, that's a stimulus.  The twitch is a response!  So, A is correct.  But just to be sure, let's look at the rest.

Artificial selection (B) is basically breeding: when humans breed organisms in order to obtain desired traits, like breeding dog species--this is not what our example is talking about.

Natural selection (C) is a similar process.  When an organism mutates, but it actually helps it survive, it is more likely than the others to survive long enough to have babies.  These babies are likely to have the helpful mutation, and so are their babies, and theirs, until a good portion of them have the mutation.  This is NOT the example above!

And D, reproduction--well, let's just say it would involve a female dog and lots of babies, but that's not related to our example, so that isn't right either.  The answer is A: a response to a stimulus.

Answer: A
6 0
4 years ago
Describe the three stages in which an individual develops ethical standards
fenix001 [56]
<span>Preconventional stage - people think of their own needs and desires and obey rules in fear of punishment or in hope of reward.

Conventional stage - people respond based on their duty to others and decide what is acceptable or unacceptable based on other’s influence on them.

Postconventional stage - people think of the larger needs of society relying on their own principles to decide what is right and what action to take.

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8 0
3 years ago
Which of the following statements is not a pseudopsychology claim? Answer Transplant organs carry personality traits that are al
zavuch27 [327]

Answer:

Several studies show a relationship between academic achievement and self-esteem.                  

Explanation:

Pseudopsychology claims are psychological claims which are false, unfounded and not based on scientific/research results. These claims may sound persuasive and even true but they are indeed false. For example, people sometimes claim that white men are smarter and more intelligent than black men, this is a pseudo claim with no scientific backing.

Back to the question, the only option with a scientific/research claim is "Several studies show a relationship between academic achievement and self-esteem". The rest are just claims without scientific proofs, however persuasive they sound, they are at best pseudo claims.

5 0
3 years ago
Why is most of the population of South America in the middle latitude?​
Alex

Answer:

Most of the population of South America lives in the middle latitudes because the southernmost part of the continent, which belongs to Argentina and Chile, is one of the coldest places on Earth. This place, called Patagonia, is a mountainous region, with lots of rivers and lakes, and some valleys in which small cities are located (for example Bariloche, Neuquen, Comodoro Rivadavia, Rio Gallegos and Ushuaia in Argentina, and Punta Arenas in Chile). There are only a few more than 2,400,000 people living in this region, while the total population of South America rises to 440,000,000 inhabitants.

Hope this helps!!

Explanation:

3 0
3 years ago
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Which characteristic differentiates oppositional defiant disorder from adhd and conduct disorder?
LUCKY_DIMON [66]
<span>The characteristic that separates oppositional defiant disorder from attention deficit disorder would be B. The disruptive behavior only happens when they are at home, not when they are in other settings like school, grocery store, or other outings.</span>
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