Most Fish Deposit Fertilized Eggs, but Some Sharks Keep the Fertilized

question 7

Multiple Choice

Most fish deposit fertilized eggs, but some sharks keep the fertilized egg inside the female until she gives birth to a relatively well- developed pup. How would these sharks be characterized?

• A) viviparous
• B) ovoviviparous
• C) live- bearing
• D) oviparous

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Definitions:

Interaction Effects

In statistical models, the combined effect of two or more independent variables on a dependent variable that is different from their individual effects.

Factorial Research

A type of experimental research design that involves multiple independent variables and examines their main effects as well as the interaction effects between them.

Independent Variables

Variables in an experiment that are manipulated or changed to observe their effect on dependent variables.

Combinations

Choosing elements from a broader group without regard to the sequence in which they are selected.