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Musya8 [376]
3 years ago
15

“Clouds” in space can begin as what?

Biology
2 answers:
Alona [7]3 years ago
8 0
Well they can begin as cosmic rays colliding with water molecules to create clouds. Hope this helps :)
Pavlova-9 [17]3 years ago
7 0

Clouds in space begin as <u>Nebulae</u>

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The mitochondrial DNA sequences of a large extended family were analyzed and compared to a single male in the family. Which of t
tester [92]

Answer:

His sisters son

Explanation:

Mitochondrial DNA are small circular chromosomes found inside the mitochondria. They are passed exclusively from the mother to children through the egg cell therefore it is maternally inherited.

In the given question. Mitochondrial DNA of an extended family was sequenced and compared to a single male.

His sisters son will match because the person and the sister will have similar mitochondria since they have the same mother. The sister will pass it down to her son.

7 0
3 years ago
Gene flow and genetic drift both affect allele frequencies in a population. A high level of gene flow into a population genetic
DaniilM [7]

A high level of gene flow into a population increases genetic diversity in a population. A high level of gene flow out of a population decreases genetic diversity in a population. Genetic drift is the change in allele frequencies due to "sampling error" factors. Typically, genetic drift has the biggest impact on small populations.

Gene flow (or gene migration) is a mechanism of evolution (change the allele frequencies) which transfers genetic variation among populations due to migration. High level of gene flow decreases the genetic differentiation between the two populations.

Genetic drift is a mechanism of evolution that acts by chance (“sampling error”) often when a population is reduced in size by a natural disaster (bottleneck effect) or when a small group leaves the main population and forms a colony (founder effect).


8 0
3 years ago
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HURRY!!!! The science of classifying organisms based on features they share is called _____.
crimeas [40]

Answer:

Taxonomy

Explanation:

Taxonomy is science centered on classification of species.

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3 years ago
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What is the name for a mass of fish eggs
VashaNatasha [74]
Typically it'd be called spawning or in some cases it could be called "roe".

So either "spawn" or "roe".
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3 years ago
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The nitrogen cycle could not exist without
sasho [114]
<span>The nitrogen cycle could not exist without first nitrogen. The cycle is about this specific element which goes to show that if this element is not present then, there will not be any nitrogen cycle. Also, an important factor for the cycle is the presence of the bacteria and other microorganism which are needed for the fixation. </span>
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