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Helga [31]
3 years ago
10

There are two different species of toads which are separated by a hot and dry valley, and fossil evidence indicates that these t

wo species share a common ancestor. What would have caused these two species to evolve?
Geography
2 answers:
Bogdan [553]3 years ago
8 0

Answer: Adaptive Speciation

Explanation:

The two species evolved as s result of adaptive Speciation.

Adaptive speciation occurs when biological interactions induce disruptive selection and the evolution of assortative mating, thus triggering the splitting

understanding processes of adaptive speciation, in which the splitting of lineages is an adaptation caused by frequency-dependent selection. Adaptive, or sympatric, speciation has been modeled since the 1960s.

kiruha [24]3 years ago
6 0

Answer:

adaptive speciation

Explanation:

In evolutionary biology, adaptive radiation/speciation is a process that makes living organisms diversify and change rapidly from an ancestral species into several new forms, especially when a change or natural event in their environment makes new resources available, thereby creating new challenges and opening new environmental niches.

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What is iplication location,shape and size of Etiopia and the Horn on physical environment,socioeconomic and political aspect
Rama09 [41]

Answer:

The summary of the given question is provided below.

Explanation:

  • The Ethiopian mountains are geographically formed as well as the temperature throughout the bottoms is moderate as well as comfortable mostly on plain valleys.
  • Ethiopia, which would be headquartered throughout the African continent, borders on East Africa as well as Somali, does indeed have a surrounded plain around 3000 meters high which separates the plate obliquely between the vast river valleys.
5 0
3 years ago
"You see a rock on campus. It is a big white boulder, and you look closer. You see a salt and pepper appearance. You look closer
Mars2501 [29]

Answer:

igneous rock

Explanation:

There are three main kinds of rocks, sedimentary, metamorphic and igneous.

The igneous rocks are the ones that formed from a hot source like magma inside the soil, as it gets to the surface of the Earth it goes cooling. If it cools almost in the surface of the Earth then is consider a plutonic rock.

Plutonic Rocks have a big quantity of minerals, since they cool under a big pressure, these minerals get together forming a solid rock.

By passing the time the granites of minerals can be easily seen at naked eye, like the characteristics of these sample.

7 0
3 years ago
Which type of government is the best to protect people and provide services
likoan [24]

Answer:

Democratic.

Explanation:

Any other type of government besides democracy has no obligation to help the people. We have a representative government as of today I believe.

7 0
3 years ago
What 4 climates types are the most dominant in the contiguous US?
Alexandra [31]

Answer: temperate, arctic tundra, tropical, arid desert.

Explanation: The overall climate in the United States of America (USA) is temperate, with notable exceptions. Alaska has an Arctic tundra climate, while Hawaii and South Florida have a tropical climate. The Great Plains are dry, flat and grassy, turning into arid desert in the far West.

6 0
2 years ago
Hello PLease help will give Brainliest!
marta [7]

Answer:

1960's

Explanation:

google helped

5 0
2 years ago
Read 2 more answers
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