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BARSIC [14]
3 years ago
6

Ln the early development of human embryo,the skeleton is made almost entirely of​

Biology
1 answer:
Luden [163]3 years ago
5 0

Answer:

The skeleton consists of bone developing from mesoderm, except within the head where neural crest also contributes connective tissues. Each tissue (cartilage, bone, and skeletal muscle) goes through many different mechanisms of differentiation.

Explanation:

Hope it helps :)

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The middle of the DNA ladder is made up of __?__.
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The sugar and phosphate group make up the backbone of the DNA double helix, while the bases are located in the middle.

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What does natural selection mean
sertanlavr [38]

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The process where organisms naturally go and adapt to enviroment where they can most likely survive and produce more offspring.

Explanation:

Theory was first made by Charles Darwin and is now believed to be the main process that brings about evolution.

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2 years ago
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Suppose that zonosemata flies whose own wings had been clipped and reattached were attacked more frequently than untreated zonos
umka21 [38]

Answer:

All results for the experimental groups involving wing surgery would be invalid.

Explanation:

The experimental group involving wing surgery would not lead to correct results because it is a direct parameter that is impaired. This has been already clearly stated in the question that these flies are prone to attack compared to those which are not treated. There could be several reasons for that such as: (1) the reattachment would not have been successful, and/or (2) the flies' health (fitness) status would have been compromised.

On the other hand, it is not correct that all experimental groups will lead to incorrect results because the untreated flies were not attacked (or less attacked). Similarly, there is no condition given for houseflies rather only zonosemata flies. So 3rd option is also not possible. Finally, the reliability of the results would definitely change because the treated flies would be more attacked and lead to a clear difference in results.

7 0
3 years ago
Primatologists Group of answer choices know nothing of primate bones. study only physical aspect of primates. explore the relati
choli [55]

Answer:

The correct option will be Option B (study only physical aspect of primates).

Explanation:

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The other choices don't apply to the specified scenario. So option B will be the perfect option for b.

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3 years ago
What 3 green house gases are in our atmosphere
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Carbon dioxide, nitrous oxide, and methane

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