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Talja [164]
3 years ago
14

A species is a group of organisms capable of mating and producing offspring, and speciation is the process of forming a new spec

ies
One way a new species may form is by _____________ isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert.
Biology
2 answers:
vodomira [7]3 years ago
8 0

The answer is geographic because once the species separate they may evolve differently creating new species.

bezimeni [28]3 years ago
5 0

Answer:

geographical isolation

Explanation:

one way a new species ma form is by geographical isolation.

<em>Geographical isolation is a form of reproductive isolation in which a physical barrier separates two population of similar species. Each population then go on to become a new species.</em>

Reproductive isolation itself is a mechanism of speciation in which organisms are prevented from producing offspring through mating or produce an invalid offspring if mating and fertilization cannot be prevented from taking place.

When two population of the same species become geographically isolated, each population will follow different evolution path and then become new species.

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Transcription factors in eukaryotes usually have DNA binding domains as well as other domains that are also specific for binding
trapecia [35]

Answer:

A) repressors

Explanation:

A transcription factor is a protein that controls the rate of transcription of genetic information from DNA to messenger RNA, by binding to specific DNA sequence. The function of TFs is to regulate-turn on and off genes-In order to make sure that they are expressed in the right cell, at the right time and in the right amount throughout the life of the cell and the organism. Groups of TFs function in a coordinated fashion to direct cell division, cell growth and cell death throughout life.

5 0
3 years ago
Look at the figures showing the distribution of volcanoes and earthquakes. Why do volcanoes and earthquakes occur in so many of
elena-s [515]

<em>Volcanoes</em><em> and </em><em>earthquakes</em><em> occur in so many of the same areas because they are a consequence of </em><em>plates movements</em><em>. They occur at different</em><em> plate boundaries.</em>

<h3>Image observation</h3>

First of all, by looking at both images, we can see that volcanoes and earthquakes are <u>not randomly </u><u>distributed</u> around the world.

We can also see that, although they are distributed all around the globe, there is a <u>notorious concentration</u> of volcanoes and earthquakes in the pacific region.

There is an occurrence tendency in continuous areas.

If we pay attention to the white lines in the map, we will notice that the continuous areas where volcanoes and earthquakes occur coincide with plate boundaries.

For instance,

  • In North and South America plates, volcanoes and earthquakes occur along the Pacific Plate and the Nazca plate boundaries.

  • We can see the same pattern in the boundaries between the Pacific plate, Indo-Australian plate, Eurasian plate, and Philippine plate.

  • We can also see some volcanoes and earthquakes occurring along the Atlantic mid-oceanic ridge.  

  • Finally, we can see only earthquakes occurring along the boundary of the Antarctic plate with the other plates.

<h3>Interpretation</h3>

Although they occur in other areas too, volcanoes and earthquakes occur at plate boundaries.

Volcanoes occur at convergent and divergent boundaries

Earthquakes occur at transforming, convergent and divergent boundaries.

<h3 /><h3><u>Plate Boundaries</u></h3>

I. Divergent:

  • This boundary occurs when two plates separate and molten material rises from the mantle creating a new crust.

  • The hot material creates a new seabed between the separating plates, expanding the sea bottom.

  • Eruptions do not produce big notorious mountainous volcanoes due to the temperature shock between the rising hot magma and oceanic water.

  • The Atlantic Ocean ridge, extending from Greenlander to the southernmost point of South America, is an example of this boundary.

  • Plates movement might produce earthquakes.

II. Convergent.

  • Collision area between two plates.

  • Two oceanic plates might collide, or one oceanic plate with a continental one.

  • One plate sinks under the other plate, and magma rises to the surface by crevices.

  • The thicker and older plate subduces under the other plate.

  • Volcanoes get formed on the superior plate since magma flows over it.

  • Plates's movement might produce earthquakes.

III. Transforming.

  • The plates slide laterally with each other, and they are usually called faults.

  • It is associated, in general, with the oceanic ridge, although it might also occur in the continental plate.

  • No rocky material is either destroyed or formed.

  • When the plates move and produce a displacement of one transforming limits from side to side, earthquakes occur.

  • The movement breaks the crust and originates pronounced fractures.

  • The San Andrés fault is an example of this plate ridges.

In coclusion, volcanoes and earthquakes distribution coincides with plate's boundaries.

You can learn more about volcanoes and earthquakes distribution at

brainly.com/question/7581137

brainly.com/question/695718

brainly.com/question/4057500

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2 years ago
Write down 3 ways pollination can occur without animals
Nostrana [21]
Cross-pollination, people could do it by hand by moving the pollen, and the wind could move it. I tried
3 0
3 years ago
Read 2 more answers
Which piece(s) of evidence best supports that all land mass was once a supercontinent called Pangea. Select all that apply
kondor19780726 [428]

Answer:

Defenitely b, fossils, I don't think any of the others are right, But I could be wrong.

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3 years ago
Why do you think you deserve a scholarship
koban [17]
Because is a good way to help us get our education for free or with a less cost

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