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nalin [4]
3 years ago
12

Variation in genotype is caused by

Biology
1 answer:
horsena [70]3 years ago
7 0

Answer:

Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. Another source is gene flow, or the movement of genes between different groups of organisms. Finally, genetic variation can be a result of sexual reproduction, which leads to the creation of new combinations of genes.

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an igneous rock forms quickly. which characteristics could the rock have? small sand grains. Large mineral crystals. smooth, sha
Shalnov [3]

Igneous rocks are formed by hot melted magma coming from the Earth's core that crystalizes when gets in contact with air. They can be either intrusive or extrusive. B) <em>Large mineral crystals.</em>

<h3>What is the igneous rock?</h3>

These rocks come straight from the interior of the Earth.

A liquid mass of silicate composition comes from the Earth's core. This melted mass comes at an extremely high temperature.

Magma begins to cool and solidify during its ascent to the Earth's surface. It solidifies and crystallizes into igneous rock following the magnetic field orientation.

Thre are two types of igneous rocks

• plutonic rocks ⇒ in areas close to the terrestrial crust ⇒ intrusive

• volcanic rocks ⇒ on the surface ⇒ extrusive

According to this description, the correct option is B. <em>Large mineral </em><em>crystals</em><em>.</em>

You can learn more about Igneous rocks at

brainly.com/question/23555197

#SPJ1

8 0
2 years ago
Ent is true or false.
vaieri [72.5K]

Answer:

1.true2.true3.true

Explanation:

sorry not sure about this answer

6 0
2 years ago
A scientist wants to observe how plants respond when growing in an overcrowded area. After 200 seedlings are planted close
jarptica [38.1K]

Answer:

Correct answer is A. "making future predictions about plant behavior "

Explanation:

The most important part of the question is "overcrowded area" which leads to the future concerned scenario of modern societies. We know that, in future, the supply of resources/nutrients will be limited and thus we want to develop sustainable practices. For this, scientists often carry out the experiments where the organisms are forced to live/grow in a crowded area and then we understand how each individual responds in the presence of limited resource supply. In this experiment, I perceive that the scientist is doing a similar kind of study for a specific plant which will help him assess the future concerns of growth and development for that species as well as its interaction with the environment.

7 0
3 years ago
Write a sentence using the word 'resistance'
Kisachek [45]
In 1953, he developed a method to make strains of wheat highly resistant to a single form of rust.<span>
</span><span>

</span>
3 0
4 years ago
2. Which molecule is paired with its correct role in protein synthesis?
Contact [7]
It's A.....tRNA helps in formation of amino acid and also in binding and transfer !
3 0
3 years ago
Read 2 more answers
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