It Is Important to Know the Demographic Variables Among Study

question 23

Multiple Choice

It is important to know the demographic variables among study subjects in order to:

• A) calculate central tendency and standard deviation of study scores.
• B) ensure that control and experimental subjects are different.
• C) ensure that outcomes are not caused by independent variables.
• D) understand how well the sample represents the target population.

Identify the characteristics that support the monophyly of major animal groups, such as protostomes and deuterostomes.

Understand the evolutionary significance of colony formation and specialization within colonial animals.

Recognize the variability in reproductive strategies among animals and the concept of reproductive trade-offs.

Differentiate between cnidarians and ctenophores based on unique anatomical and functional traits.