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Studentka2010 [4]
3 years ago
11

Select the correct answer.

Biology
1 answer:
Aliun [14]3 years ago
8 0

The term is called a theory.

In scientific investigation, a theory is a well substantiated explanation of how a particular phenomenon works based on the set of facts which had been repeatedly confirmed through observations and experiments. A scientific theory gives reliable account of a phenomenon.

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A population that is isolated in a remote environment is still able to experience genetic variation How could genetic variation
goblinko [34]

A mistake in DNA replication before meiosis produces an organism that is better able to outrun predators.

Explanation:

The genetic variation results from the different alleles of a population. The mutation or mistake in DNA replication would cause gene variants which may be beneficial. The variation in the DNA sequence of genome results in variants in small population.

Genetic variation is the cause of natural selection and eventually, evolution takes place with beneficial traits.

It is mentioned in the question that resulting offspring having received the mutant allele could result in better surviving capabilities or phenotypic traits as they are able to outrun predators.

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4 years ago
What happens in a chloroplast?
Vera_Pavlovna [14]

Answer:

Photosynthesis

Explanation:

The chloroplast creates glucose and oxygen, also the chloroplast has chlorophyll.

8 0
3 years ago
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Which of the following describes tight junctions?
Cerrena [4.2K]

A. Cell junctions in areas are subjected to great mechanical stress, such as the skin and heart muscles

5 0
4 years ago
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How did the number of organisms change between 1900 and 2010
elena55 [62]

Answer:

the number of prey and predators has decreased

Explanation:

this is because of increased rate of hunting .the prey such as elephants and rhinos are being hunted for their horns while predators are also being hunted because of their skin.

also due to man and wild animal conflicts which happen in areas nearing the forests ,both prey and predators are killed.

4 0
3 years ago
Which process allows bulky molecules to enter a cell?
polet [3.4K]

Endocytosis is the process by which Bulky Molecules enter the cell.

Explanation:

  • Endocytosis is the process by which eukaryotic cells take up large molecules into their cytoplasm.
  • The large molecules that cannot enter the cell through protein channels of the plasma membrane are carried into the cell in membrane bound vessicles.
  • The vessicles are formed by progressive invagination of the cell membrane and then pinching off after the molecule is trapped.
  • Endocytosis has been classified as phagocytosis (cell eating) and pinnocytosis(cell drinking).
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3 years ago
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