Desert-grassland boundaries can change as a result of _____.

Biology

1 answer:

liraira [26]2 years ago

5 0

Answer: Precipitation

Grasslands are characterized as lands covered by grasses rather than large shrubs or trees. Grasslands are found in regions which receives rainfall that are not enough for the growth of forests. Desert covers about one fifth of the Earth's surface and occur where rainfall is less than 50 cm/year. Rainfall are least frequent in deserts as compared to grassland. The desert-grassland boundaries can change as a result of precipitation. The fate of land form of boundary will be dependent upon precipitation. As, if the boundary receives moderate or sufficient rainfall to grow vegetation then it will be included in the grassland and if the boundary receives no or scanty rainfall then boundary will be included in desert region.

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In a population of grasshoppers, the color green (G) is completely dominant over the color brown (g). If 23% of the population i

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The answer is 49.92%

Let's use the Hardy-Weinberg principle:
p + q = 1
p² + 2pq + q² = 1

where:
p - the frequency of dominant allele G
q - the frequency of recessive allele g
p² - the frequency of homozygous dominant individuals GG with colour green
2pq - the frequency of heterozygous individuals Gg with colour green
p² - the frequency of homozygous recessive individuals gg with color brown

23% of the population is brown: p² = 23% = 0.23
p = √(p²) = √0.23 = 0.48

p = 0.48
p + q = 1
0.48 + q = 1
q = 1 - 0.48 = 0.52

The percentage of the population that is expected to be heterozygous is 2pq:
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Potential gravitational energy is computed with the formula:

$PEgrav=mgh$

Where:
PEgrav = Potential gravitation energy (J)
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Take note that acceleration due to gravity is a constant.

All you need to do is put in what you know and solve for what you don't know. So your given is the following:
PEgrav = 3,528J
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Put that into your formula:
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