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Harrizon [31]
3 years ago
12

Which factors can prevent permanent fixation of an allele (i.e. maintain genetic diversity)? Hint: You're going to have to try d

ifferent values than just those presented in the exercise--try to keep both alleles present!a. Gene Flow b. Genetic Drift c. Natural Selection d. Mutation
Biology
1 answer:
NemiM [27]3 years ago
7 0

Answer:

The answer is a) gene flow

Explanation:

Gene flow is any displacement of genes from one population to another. The gene flow includes a multitude of different types of events, such as pollen that is transported by air to a new destination or people who move to another city or another country. If genes are transported to a population where those genes did not exist, gene flow can be a very important source of genetic variability.

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Why would you probably not see a volcano on the east coast of the United States?
DerKrebs [107]

D. There are no major fault lines or hot spots close by.

Why?

Because "They don’t occur anywhere else other than along the Ring of Fire" is incorrect, the Ring of Fire is just a place where many volcanoes are.

Because "The composition of the rock in that area is not conductive to eruptions." they type of rock doesn't play that much of a role in the formation of volcanoes

Because "The magma doesn’t have enough silica or gas to form an explosive eruption." It isn't a gass that is found, it is the build up of pressure from fultlines moving and things on the inside of the earth.

Please Mark Branilest!

3 0
3 years ago
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The marine multicellular protists including the larger brown algae belong to the
Finger [1]

Options for the question have not been given. They are as follows:

A. dinoflagellates.

B. Choanoflagellida.

C. Stramenopiles.

D. euglenoids.

E. foraminifera.

Answer:

C. Stramenopiles

Explanation:

Stramenopiles or heterokonts are a part of Chromista kingdom. They comprise of both unicellular and multicellular protists. They are characterized by presence of two dissimilar flagella in the motile life cycle stage. Their chloroplast is also surrounded by four membranes which indicates origin from symbiotic relationship. They include many classes like diatoms, golden algae and brown algae. Brown algae belongs to the class Phaeophyceae. They are marine multicellular algae and are commonly known as seaweeds.

6 0
3 years ago
Electrons are located only in specific shells around the nucleus of the atom true false
tresset_1 [31]
Electrons are only located in specific shells or orbitals that surround the nucleus of an atom. Therefore, I believe that your answer would be true. Hope it helped some! 
7 0
3 years ago
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An example of a parallel choice on a dichotomous key is___
Mila [183]
C)old or young

A dichotomous key is a tool or a used assessment that is utilized by most scientists like biologist and ecologist to organize and classify organisms into sets of classifiable structures like trees, animals, birds, cats, dogs. These are broad descriptions that systematizes a whole family of species into a set category or a whole kingdom in a simple language such as plants or animals.
7 0
3 years ago
True or false all animal cells have the same number of chromosomes
Art [367]
The statement that all animal cells have the same number of chromosomes is false. 
<span>The chromosomes are structures located inside the nucleus of animal and plant cells. </span>Cells from different species have different number of chromosomes. For example bacteria have one or two chromosomes, koalas have 16 chromosomes, snail 24, tiger cell has 38 chromosomes, carp has 100 and so on. 
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3 years ago
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