The Best Method for Studying Cause-And-Effect Relationships Is the

question 152

Multiple Choice

The best method for studying cause-and-effect relationships is the

• A)correlational method.
• B)experimental method.
• C)observational method.
• D)survey method.

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Definitions:

Reproductive Isolation

Reproductive isolation occurs when reproductive barriers prevent or strongly limit reproduction between populations. The result is that few or no genes are exchanged between the populations.

Metapopulations

A group of spatially separated populations of the same species which interact at some level.

Evolutionary History

The chronological sequence of biological changes in populations or organisms over time, leading to the diversity of species seen today.

Phylogenetic Species Concept

Defines a species as the smallest group of individuals that share a common ancestor and can be distinguished by unique, inheritable traits.