Organisms That Exhibit Different Phenotypes in Different Environments Are Said

question 6

Essay

Organisms that exhibit different phenotypes in different environments are said to exhibit phenotypic plasticity.Using the tobacco hornworm,Manduca sexta,studied by Suzuki and Nijhout,describe the experiments done to illustrate the dependence of color on temperature.Be sure to explain the importance of using reaction norms in this type of study.

---

Definitions:

At-Risk Rules

Tax regulations that limit the amount of deductible losses from certain types of investments to the amount the taxpayer has at risk.

Passive Activity Losses

Financial losses in activities in which the taxpayer does not materially participate, with limitations on their use to offset other income.

Passive Losses

Financial losses from activities in which the taxpayer does not materially participate, such as rental property.

Portfolio Income

Income from investments, including dividends, interest, and capital gains.