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RUDIKE [14]
3 years ago
11

The process of exposure to an environmental stress or pathogen causes mutations to occur so that these mutations can increase th

e fitness of the population and make it survive.
A) True
B) False
Biology
1 answer:
OlgaM077 [116]3 years ago
6 0

Answer:

The answer is option A: True

Explanation:

Exposure to environmental stress or pathogens is the fuel that ensures the fitness as well as the survival of species population. These factors leads to adaptation of the cells of the species to survive.

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One gram of protein has 4Kcal of calories. Proteins should represent between 10 and 15% of daily energy intake. An adult needs daily 0.8 grams of protein per kilogram of body weight. Children, pregnant women, nursing mothers, athletes, and older adults need a little more protein.

Explanation:

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A. objects made of crystals minerals water and air

Process of elimination-
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Need The Answer ASAP
Anna35 [415]

Answer:

<em>The correct option is B) as the light colored moths were seen and eaten, the allele for dark colour became more prevalent in the population.</em>

Explanation:

The process of natural selection tends to favour those organisms which are better adapted to live in an environment. Evolution changes the allele frequencies of a population over time depending on the traits favoured by natural selection.

Before the industrial revolution, the colour of the trees was lighter and hence, the light coloured moths were better adapted to such environments as they could hide from predation. After the industrial revolution, the colour of the woods of trees became darker. The light coloured moths were no more able to hide from their predators and hence their population declined.

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