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mylen [45]
3 years ago
14

Explain why deltas and flood plains have been important to the development of human civilization

Biology
1 answer:
gladu [14]3 years ago
7 0
Rivers were crucial to the survival of early civilizations because they were responsible for providing a source of water, irrigation for good farmland and a way for people to trade with other people through water transportation. Many of the earliest civilizations thrived due to the availability of rivers such as Mesopotamian cultures with the Euphrates River and Tigris River, Egyptians with the Nile River, Indians with the Indus River and Chinese with the Huang River and Yangtze River.
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Explain why natural selection does not operate on characteristics which affect fitness
MaRussiya [10]
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1. The electrically neutral particles in the nucleus of an atom are called​
Scilla [17]

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5 0
3 years ago
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Why is a dominant allele called dominant
Fudgin [204]

A person possessing one dominant allele and one recessive allele for a gene is said to be heterozygous for that trait because the alleles are different. ... A genetic trait may be of homozygous dominant or recessive or heterozygous.

7 0
3 years ago
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In pea plants, the allele for inflated pod seed, I, is dominant over the allele for constricted pod seed, i. The Punnett square
zubka84 [21]

Answer:

<em>The offspring which carries the allele II will be homozygous dominant.</em>

Explanation:

A dominant trait can be described as a trait which masks the effect of a recessive trait. A recessive trait can be described as a trait which gets masked by the dominant trait.

A homozygous dominant trait occurs when both the alleles for the gen are dominant. A heterozygous dominant trait occurs when one allele is dominant and the other is recessive for the trait.  

Hence, a homozygous dominant trait will carry the alleles II.

8 0
4 years ago
What structures form when many similar specializes cells come together
Vladimir79 [104]
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The level of complexity in organisms from smaller to larger are:
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Therefore, if the same type of cells come together, they'll make up tissue.
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