Evidence That Parthenogenic Whiptail Lizards Are Derived from Sexually Reproducing

question 21

Multiple Choice

Evidence that parthenogenic whiptail lizards are derived from sexually reproducing ancestors includes

• A) the requirement for male-like behaviors in some females before their partners will ovulate.
• B) the development and then regression of testes prior to sexual maturation.
• C) the observation that all of the offspring are haploid.
• D) dependence on favorable weather conditions for ovulation to occur.
• E) the persistence of a vestigial penis among some of the females.

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Definitions:

Reactants

are substances initially present in a chemical reaction that are consumed during the reaction to make products.

Products

Substances formed as a result of a chemical reaction, found on the right side of a chemical equation.

Potential Energy

The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.

Chemical Energy

A form of potential energy stored in chemical bonds between atoms and molecules.