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maria [59]
3 years ago
8

Which of the following is the best example of a neutral mutation?

Biology
1 answer:
tatyana61 [14]3 years ago
6 0
B.

A neutral mutation is one which has no effect on the relative fitness of the individual. A bushy tail is not likely to be relevant to fitness.
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Horatio is studying an abandoned farm in his community. The land of the farm once supported fields of corn, beans, and spinach,
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Answer: C. The farmland is undergoing secondary succession, which may or may not restore the original climax community.

Explanation:

Ecological communities are highly <em>dynamic</em>- they gradually evolve. Typically their progression involves:

  • colonizing species exploiting uninhabited areas (Primary succession)
  • becoming a habitable and increasingly complex community
  • there is increased diversity of organisms (Secondary)

The makeup of biological communities is crucial to defining Primary and Secondary succession; eventually, through changes in this makeup, a steady-state or equilibrium is reached called a <em>climax community. </em>While Primary succession starts off with the modification of a previously unoccupied area along with increasing variation; secondary succession begins after major disruption in the community such as fires, storms and flooding.

Like the abandoned farmland near Horatio’s home, secondary communities do not begin with the removal of soil and all biological life; other species, seen here in the grassland, may be more suited to the altered conditions and begin to modify the area creating a new community.

However, the process of becoming a climax community can be pretty complicated- it is very dependent on other factors like temperature and rainfall. Communities that experience rapid change, frequent major disruptions and even human intervention, are less likely to attain a stable equilibrium and may never become climax communities.

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3 years ago
The _____ is an estimate of the fewest number of organisms a population needs to avoid extinction. This measurement will most li
Alla [95]

The answer is 3 Death rate Increase, Dead rate decrease

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frez [133]

Answer:

B) Nucleotide

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I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
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Compounds are those substances that are made up of elements that are combined in a fixed proportion or ratio. The individual property of element is lost once it forms a compound. The physical and chemical properties of both compound and an element is different.

Example of a compound is water and its elements are hydrogen and oxygen. Water is a colorless liquid that acts as a solvent and dissolves most of the solutes in it. While oxygen and hydrogen occurs as gases in their elemental state.

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Did early land animals have gills as well as lungs?
irinina [24]

Yes they did. It is generally known that amphibians breathe through their skin.

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