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What describes why the two minnow populations evolved into separate species?
Wiki User
∙ 12y ago
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.
study island
Wiki User
∙ 12y ago
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An earthquake creates a chasm that separates a population of squirrels. The two populations of squirrels evolve into two separate species. What is the name of the process by which isolated populations?
cheating on study island? Speciation
Where do new species come from?
Generally when a species splits into two populations that are separated by some means that keeps the now individual gen pools from intermingling. This allows new alleles to arise in the separate populations and as time passes this frequency changes in alleles can give rise to new species.
When do you say that a creature has evolved so much that it is no longer the same species?
When a creature undergoes significant changes in its genetic makeup and physical characteristics that prevent it from successfully reproducing with individuals of its ancestral population, it can be considered a different species. Reproductive isolation is a fundamental principle in defining species, meaning that if two populations can no longer interbreed and produce fertile offspring, they are considered separate species.
Process in which isolated populations of the same species become new species is called?
In Sympathetic Speciation, a species evolves into a new species without any barriers that separate the populations.In Allopatric Speciation, a population divided by a barrier, each population evolves separately, and eventually two populations cannot successfully interbreed.
A population is divided through geographic isolation over several generations they lose the ability to interbreed how are these two populations classified?
2 separate species.
Describes why the two minnow populations evolved into separate species?
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species. study island
Which best describes why the two minnow populations evolved into separate species?
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.(study island)
Two populations have evolved into two different species when what has happened?
They diverged enough so that they can't crossbreed.
What factor indicates that a population has evolved into 2 separate species?
The population has evolved into two separate species if the species in question no longer interbreed.
Two populations have evolved into two species when?
Two populations have evolved into two species when the populations can no longer interbreed.Are you answering a question from the Holt Science & Technology: Life Science textbook? Because these questions are my homework. :P
What factor caused two populations to become reproductively isolated?
It usually is some sort of physical barrier like an large space between islands.
What happens when members from separated populations do not reproduce with each other?
Over time, the populations may become genetically distinct from one another due to accumulation of different mutations. This can lead to the evolution of new species if the genetic differences become significant enough to prevent successful reproduction between individuals from the two populations.
What happens when members from separated populations not reproduce with each other?
They become separate species.
Darwin saw populations of various species that seemed well-suited to their environment what did this suggest?
it suggested that over time the species had evolved and adapted to the climate they were in.
What term describes development of new species and a mass extinction?
Evolution is the term that describes development of new species and mass extinction. Over time all living thing have evolved.
What type of speciation occurs when new species arise as a result of geographic isolation?
When a certain species is divided up into two or more separate populations (geographically, for example) they continue to evolve (via natural selection) and over time the two (or more) populations will be so different from each other that they will not be able to reproduce, and will fit the criteria of different species.
An earthquake creates a chasm that separates a population of squirrels. The two populations of squirrels evolve into two separate species. What is the name of the process by which isolated populations?
cheating on study island? Speciation
