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Elan Coil [88]
3 years ago
14

L 4.5.2 Test (CST): Computer-Scored Unit Test

Biology
1 answer:
Damm [24]3 years ago
4 0

Answer:

The correct answer is - B. An allele present in all members of a population.

Explanation:

A homzygous variant or allele for all the members of a particular gene is a fixed gene and is the only variant that presents in all the population for that gene.

It takes place when there is all other alleles become extinct and only one remains. The allele frequency of this allele is always 1.00 in the population which means only one allele is present on the locus.

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Give an example of how a biome is an open system from the point of view of the biosphere, atmosphere, lithosphere, and hydrosphe
Karolina [17]

Given what we know, we can confirm that the biome is in fact an open system due to the interactions between the biosphere, atmosphere, lithosphere, and hydrosphere.

<h3>What is the biome?</h3>
  • The biome is the collection of air, soil, water, and all the organisms that reside within these ecosystems.
  • In order to describe an open system, we say that the system must have external interactions.
  • A biome is an open system because it has both internal and external interactions, such as with asteroids in space.
  • The internal interactions include the ones between the<em><u> biosphere, atmosphere, lithosphere, and hydrosphere.</u></em>
  • A prime example is the movement of water through each of the spheres.

Therefore, since each part of the biome interacts with each other as well as with external sources such as space, we can confirm that it complies with the definition of an open system.

To learn more about open systems visit:

brainly.com/question/8987993?referrer=searchResults

7 0
3 years ago
My answer is c
arlik [135]
<span>C.
has strong legs for running

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8 0
3 years ago
Question 15 the decrease in estrogen in postmenopausal women plays a part in the increased risk of heart disease that occurs in
denis-greek [22]
The statement above is TRUE.
The estrogen hormone prevents women from developing some types of heart diseases. Before the stage of menopause, women produce adequate amount of estrogen which prevent them from developing certain types of heart diseases but after the menopause has been reached, the risk for heart diseases increases in women.<span />
3 0
3 years ago
1. What processes that occur during meiosis contribute to
andrey2020 [161]
A and D because cytokinesis is where a single eukaryotic cell divides into two daughter cells. Gametogenesis is the name given to the process where the cell undergoes meiosis.
8 0
2 years ago
Which phrase best defines a galaxy? Tightly packed group of older stars large grouping of more than two stars loose, disorganize
OLEGan [10]

<u>Answer</u>: Large collection of stars, gas, and dust held together by gravity.

<u>Explanation:</u>

  • The name <em>galaxy</em> has been derived from the word <em>galaxies</em> which is a Greek word meaning milky.
  • In simple words a galaxy is a collection of a large number of stars, however, to be more precise <em>a galaxy is a gravity-bound collection of stars, dust, gas, dark matter and stellar remnants. </em>
  • There are different types of galaxies found in various shapes and size, some of the most common shapes being elliptical, irregular and spiral.
  • An example is the milky way galaxy that contains our solar system.

6 0
4 years ago
Read 2 more answers
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