Weegy: For two populations to evolve into two species that look different, reproductive isolation must happen.
User:
The heritable variation among members of a population comes about because of
A. mutation.
B. adaptation.
C. competition.
D. the environment.
Weegy: The heritable variation among members of a population comes about because of mutation.
User:
In the example of the finches on the Galapagos, what is the cause of the geographic isolation?
A. the ocean
B. the foods the finches ate
C. the mating behavior of the birds
D. the climate on the different islands
Weegy: In the example of the finches on the Galapagos, the cause of the geographic isolation was the OCEAN.
User:
What is the importance of geographic isolation in speciation?
A. It allows different mutations to arise.
B. It prevents reproduction between populations.
C. It reduces competition between the populations.
D. It protects one of the populations from predation.
Weegy: It prevents reproduction between populations. That is the importance of geographic isolation in speciation.
User:
What is the biological definition of a species?
A. a group of organisms that look alike
B. a group of similar organisms that live in different areas
C. a group of similar organisms that live in one particular area
D. a group of organisms that can mate with each other and produce fertile offspring
Weegy: The biological definition of a species is: a group of organisms that can mate with each other and produce fertile offspring.
User: Lamarck proposed two ideas to explain
A. how organisms change through time.
B. the principles of geology.
C. the age of the Earth.
D. the slow movement of the Earth's tectonic plates.
Weegy: Lamarck proposed two ideas to explain how organisms change through time.
User:
When Charles Darwin arrived in South America, what observation did he make regarding rabbits?
A. There were the same rabbits in South America as there were in ...
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