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TEA [102]
3 years ago
12

Know what population density is

Biology
2 answers:
andrew11 [14]3 years ago
8 0

Answer:

\boxed{\mathrm{view \ explanation}}

Explanation:

Population density is a measurement of population per land area.

\displaystyle \sf population \ density =\frac{population}{land \ area}

The population density of a place tells us whether the place occupied by the population is densely or sparsely populated.

tiny-mole [99]3 years ago
5 0

Answer: the number of people per unit of area, usually quoted per square kilometer or square mile (which may include or exclude, for example, areas of water or glaciers).

Explanation:

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2 years ago
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What is the theory that states organisms best adopted for an environment are more likely to survive and reproduce?​
kondaur [170]

Answer:

natural selection

Explanation:

According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.

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3 years ago
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3 years ago
In humans, methylation of chromosomal DNA is a signal that often leads to
Ulleksa [173]

Answer:

The correct answer will be option-formation of heterochromatin

Explanation:

Methylation of DNA is the epigenetic mechanism which controls the expression of a gene by adding a methyl group to the cytosine bases in eukaryotic DNA.

The methylation of DNA converts the cytosine residues to the  5-methylcytosine catalysed by DNA methyltransferase enzyme. This results in the silencing of the gene and transcription get switched off.

Studies have shown that DNA methylation is involved in the formation and maintenance of the heterochromatin structure which is the condensed form of the chromatin in which transcription is switched off.

Thus, the formation of heterochromatin is the correct answer.

7 0
3 years ago
What is the most abundant source of the body's water?
lesya692 [45]

Explanation:

Water is the most abundant substance in the body. An average healthy adult is 45 to 75 percent water. Percent of water declines with age. Males have more body water than females.

6 0
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