Which of the Following Examples of an Ecological Effect Leading

question 33

Multiple Choice

Which of the following examples of an ecological effect leading to an evolutionary effect is most correct?

• A)When seeds are not plentiful,trees produce more seeds which can germinate when conditions improve.
• B)A few organisms of a larger population survive a drought,and then these survivors emigrate to less arid environments.
• C)Only animals with denser fur survived the coldest days of an ice age,and all the future offspring have dense fur.
• D)Fish that swim the fastest in running water catch the most prey and more easily escape predation.

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Definitions:

Language

A system of communication used by a particular country or community, involving the use of words, grammar, and pronunciation.

Context Effect

The effect on a cognitive process (e.g., perception) of the information surrounding the target object or event. Sometimes called expectation effect because the context is thought to set up certain expectations in the mind of the cognitive processor.

Phonemes

The smallest units of sound in a language that can distinguish one word from another.

Meaningful Units

Segments of information that have been organized in a way that gives them significance or purpose, such as syllables within words or phrases within sentences.