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Daniel [21]
2 years ago
12

Sympatric speciation is: _____. 1. initiated by the appearance of a geographic barrier 2. the process by which most animal speci

es have evolved especially 3. important in the evolution of island species 4. the appearance of a new species in the same area
Geography
1 answer:
Anna11 [10]2 years ago
4 0

Answer:

The right answer is option 4

Explanation:

Sympatric speciation is the evolving of an old species into a new one while the older species still exists thus making both species coexist in the same geographic region. The differing factor of Sympatric speciation from other types is the lack of geographical constraint to interbreeding. Other types of speciation are Allopatric and Parapatric speciations.

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The percentage of organic matter in soils managed for agricultural purposes usually decreases each year after initial clearing.
liraira [26]

Answer and Explanation:

It is true fact that organic matter in soil diminishes with time yet it is unseemly to utilize this information for lab manual since we make heaps of changes to recoup natural issue in the dirt before going for another period of editing. Notwithstanding when the yield is reaped, the buildup of the previous harvest goes about as a natural fuel for the following yield. Here and there when we develop vegetable harvest, it rather adds minerals to the soil.

But if there is comparison between earlier soil and current soil, I figure it would be nearly increasingly precise for the as of late cleared soil since here, we can quantify the exhaustion of natural issue plainly. while the soil which had been cultivated and prepared for horticulture before, there probably come different changes because of enormous number of factors.l

7 0
3 years ago
What do we call locations in which a hot mass of rising heat can be found under a weakness in a tectonic plate?
NikAS [45]
Hot spot volcanism is the hot mass of rising heat!
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3 years ago
Compared to the age of the Earth accepted as correct today, how did seventeenth and eighteenth century proponents of catastrophi
podryga [215]

Answer:

C) They believed Earth to be much younger than current estimates.

Explanation:

  • The proponents of the 18 and the 17th centuries believed that the earth was shaped by a strong and a violent forces such as the erosion that created the earth's geologic features and had a recent origin.
8 0
2 years ago
5. What happens during a volcanic eruption? Explain your <br><br>​
aleksandrvk [35]

Answer:

Deep within the Earth it is so hot that some rocks slowly melt and become a thick flowing substance called magma. Since it is lighter than the solid rock around it, magma rises and collects in magma chambers. Eventually, some of the magma pushes through vents and fissures to the Earth's surface.

Explanation:

8 0
3 years ago
Read 2 more answers
Name the the leewards island​
Kaylis [27]

Answer:

There are total of thirty islands like British Virgin Islands, Anguilla, Saint Martin/Sint Maarten, Saint-Barthélemy, Saba, Sint Eustatius, Saint Kitts, Nevis, Barbuda, Antigua, Redonda, Montserrat, Guadeloupe, La Désirade, Marie-Galante.

Explanation:

  • Leeward means in the opposite direction of winds, such as westerlies and trade winds these terms used by sailing ships.
  • Leeward islands are a group of Islands, located in the northeastern Caribbean sea located east of Puerto Rico, they are also referred to the northern islands of lesser Antilles chain.  
  • These islands are affected by volcanic activity, and notable eruptions have occurred in the history of these islands. Leeward island became a British territory in 1671,  
  • Most of the leeward islands are a part of the U.S territory and comprise a population of 700,000. The largest settlement in Les Abymes. Islands host diverse life forms both on land and seas.
4 0
3 years ago
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