The Soapberry Bugs Shown in the Figure Below Adapted to a Change

question 66

Multiple Choice

The soapberry bugs shown in the figure below adapted to a change in food source in as fast as 30 years. For evolution to occur this quickly

• A)alleles for shorter beaks must have been present in the soapberry bug population before its food source changed.
• B)the soapberry bugs must have mutated their beak length genes when they ran out of food.
• C)the life cycle of the soapberry bug (time from egg hatching to reproductive age) must be very long.
• D)soapberry bugs must have had several other food sources besides the fruit they normally ate.

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Definitions:

Atomic Number

Number of protons within the nucleus of an atom.

Outermost Shell

The last or furthest energy level of an atom where electrons can be found, significant in determining an element's chemical properties.

Atomic Mass

Average of atom mass units for all the isotopes of an atom.

Ionic Compound

A chemical compound composed of ions held together by ionic bonds, typically formed between metal and non-metal elements.