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Answer: Reproductive Isolation
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What terms describes changes that occur within species?
microevolution
What is speciation ?
the formation of species
What Factor is necessary in the formation of a new species?
Isolation or reproductive barrier is necessary in the formation of a new species. This can occur through geographical isolation, behavioral differences, or genetic mutations that prevent interbreeding between populations.
Why does speciation occur within a population?
Speciation occurs within a population when genetic changes accumulate over time, leading to the formation of distinct, reproductively isolated groups within the population. This can be driven by factors such as natural selection, genetic drift, and geographical isolation, resulting in the development of new species with unique characteristics.
Thelargestunit within which gene flow can readily occur is a A.Population B.Species C.Genus D.Hybrid E.phylum?
B. Species. Gene flow typically occurs within a species, as individuals of the same species can interbreed and exchange genetic material. This is important for maintaining genetic diversity and evolutionary processes within a species.
What term describes changes that within species?
The term that describes changes within a species over time is "microevolution." This involves genetic variations that occur within a population, leading to changes in traits or characteristics in response to environmental factors.
Why is a barrier necessary before specaition can occur?
A barrier is necessary before speciation can occur because it prevents gene flow between populations, allowing them to evolve independently. This isolation can be geographical, ecological, or behavioral, leading to the accumulation of genetic differences over time. Without such barriers, interbreeding would maintain genetic similarity, inhibiting the divergence of species. Thus, barriers facilitate the process of natural selection and adaptation, ultimately resulting in the formation of new species.
What is the the first step to producing two different species?
The first step to producing two different species typically involves the separation of a single species into distinct populations through a process known as speciation. This can occur through mechanisms such as geographic isolation, genetic mutations, or natural selection acting on different traits within the population. Over time, these processes can lead to the formation of distinct species with unique characteristics.
In which environment would mineral formation caused by high pressures and high temperatures most likely occur?
deep within earth
Which parts of the ecosystem had to be establishes before the primary succession could occur?
The parts of the ecosystem that had to be established before the primary succession shown in the transparency could occur is the lichens, rocks and soil...also that the mosses, ferns, shrubs, and grasses are parts of the primary succession.
What problem would occur in future generations if meiosis did not precede the formation of gametes?
If gametes were not produced then there would be no way of reproducing so the human species would die out.
Accordin to the theory of punctuated equilibrium when dose stasis occur?
Stasis in the theory of punctuated equilibrium refers to long periods of evolutionary stability without significant change in a species. It occurs between rapid bursts of evolution (punctuation) that result in new species formation. Stasis can occur when a species is well-adapted to its environment and experiences little external pressure to change.
