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Ainat [17]
4 years ago
8

In recent years, there has been controversy among biologists about whether Neanderthals should be placed within the same species

as modern humans or into a separate species of their own. Most DNA sequence data analyzed at this point indicated that there was probably little or no gene flow between Neanderthals and Homo sapiens. Which species concept is most applicable in this example?
Biology
1 answer:
Natali [406]4 years ago
4 0

Answer:

The correct answer would be - biological species concept.

Explanation:

The biological species concept is a concept of speciation or how a species forms in nature. According to this, a species is the group of the population that can naturally or potentially interbreed with each other, not on the basis of their physical similarities or habitats.

The physical appearance could be useful as recognizing a species but not defining it. As neanderthals show very little or no gene flow with a modern human it means they do not belong to the same species as modern homo sapiens.

Thus, the correct answer is- biological species concept.

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The existence of the cell was unknow before the invention of what ?
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3 years ago
Which term describes a series of steps designed to help you solve problems and
ycow [4]

Answer:

scientific method

Explanation:

The primary aim of research and scientific experiments conducted by scientists is to solve problems and provide factual answers to them. In order to accomplish this, a procedure called scientific method is employed.

Scientific method refers to a step-by-step procedure used to test the validity of an hypothesis. Scientific method uses the following steps;

1) Make observation

2) Ask a question

3) form an hypotheses.

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Hence, SCIENTIFIC METHOD describes a series of steps designed to answer questions.

4 0
4 years ago
Explain in detail how to decide the number of replications in a simulation study. Use fixed-sample-size and sequential procedure
erik [133]

Explanation:

Fixed sample size:

In this fixed sample size the data is studied and checked in order to find a relationship. The benefits it is easy to produce, and with it less reliable outcomes can be given.

Sequential procedures:

→Sequential procedures helps while we are collecting the data.

→At an interim analysis, data collection can be stopped whenever the results are convincing enough to conclude an effect is present.

→Or otherwise the more data can be collected, or if needed the study can be terminated whenever it is extremely unlikely the predicted effect will be observed if data collection would be continued.

→In this two or more blocks of different sizes are prepared for testing.

→Pros being it provides better results and is less time taking, as we can stop once the relation is seen, con being it is difficult to perform.

5 0
3 years ago
Doing activities that makes you happy or center around things you like can cause you to
Galina-37 [17]

Engaging in activities that makes you happy or centers around things you like would help to increase your problem-solving skills.

<h3>What is behavior modification?</h3>

Behavior modification can be defined as a therapeutic process that changes any undesirable negative behavior in an individual, especially through the use of positive or negative consequence and biofeedback.

In Psychology, when an individual engages in activities that makes him or her happy or that centers around things he or she like, it would help to increase their problem-solving skills and creates greater flexibility in their brain.

In conclusion, it's very important and essential for everybody to engage in activities that make them happy or that centers around things they like.

Read more on positive behaviors here: brainly.com/question/15600167

#SPJ1

5 0
2 years ago
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