When Evolution Occurred on the Galápagos Islands,the Finch Beaks

question 8

Multiple Choice

When evolution occurred on the Galápagos Islands,the finch beaks

• A)of individual birds in the population changed size and shape between the time of fledging the nest and adulthood due to the environmental stress induced by drought.
• B)varied in size across the population and sometimes conferred benefits in feeding,survivorship,and reproduction that were passed down to surviving offspring.
• C)had corresponding genetic codes in the DNA that were modified or mutated by individuals when attempting to survive the stressful environment of the drought.
• D)changed in size and depth only during the lifetime of the fittest birds able to survive the drought.

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Definitions:

Marginal Efficiency

Marginal efficiency refers to the rate of return or profit expected from an additional unit of investment.

Interest Rate

The levy, depicted as a percentage of the base amount, that a lender places on a borrower for asset usage.

Marginal Efficiency

The expected rate of return on an additional unit of capital or investment.

Interest Rate

The proportion of a total amount of money that is charged for borrowing it, frequently presented as a yearly rate.