If a Population of a Single Species Gets Split into Two

question 68

Multiple Choice

If a population of a single species gets split into two different environments, and each environment requires different traits for survival, what might happen over time?

• A) The population in each environment would evolve differently to suit the conditions and might eventually become two distinct species.
• B) The populations in each environment would evolve differently to suit the conditions and would compete and eventually one would win and the other would go extinct.
• C) Both populations would progressively get bigger to fit the new environment.
• D) One population would tend to mutate more than the other, by chance, and so would evolve into a new species.
• E) Individuals would tend to mutate to fit the different conditions, eventually leading to two separate species.

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Definitions:

Anterograde Amnesia

A loss of the ability to create new memories after the event that caused the amnesia, leading to a partial or total inability to recall the recent past.

Iconic Memory

A component of the visual memory system which includes a very brief (<1 second) recall of visual images.

Echoic Memory

A subsystem of sensory memory that retains auditory information for a short period after the original sound has ceased.

Selectively Noticing

The cognitive process of focusing attention on certain stimuli or information while ignoring others, often based on personal relevance or importance.