Which of the Following Is an Example of an Environmental

question 13

Multiple Choice

Which of the following is an example of an environmental constraint on evolution by natural selection?

• A) The availabilities of different types of food are inconsistent from year to year on Daphne Major, so finches with the "perfect" bill size in one year may be at a disadvantage in another year.
• B) Dolphin embryos grow hindlimb buds during development, even though they do not have or need hindlimbs as adults.
• C) Female humans have nipples with mammary glands; males have nipples too but are unable to produce milk.
• D) Certain proteins in humans have similar amino acid sequences to those found in yeast because we have been unable to evolve more sophisticated sequences.
• E) Hox genes are found in both Drosophila and humans and are important in the development of body parts.

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Sale Price

The final price at which an item or service is sold, after any discounts or adjustments are applied.

Operating Expenses

Costs associated with a business’s operations, including rent, utilities, payroll, and materials, but excluding the cost of goods sold.

Discounted Price

The reduced price of a good or service, typically offered for promotions or sales.

Retail Selling Price

The final price at which goods are sold to consumers, including all taxes, markups, and additional costs.