In the Phylogenetic Trees Shown, Each Number Represents a Unique

question 21

Multiple Choice

In the phylogenetic trees shown, each number represents a unique species of organisms. Which two species are represented as sister species in Tree 2 but are not represented as sister species in Tree 1?

• A) 1 and 2
• B) 2 and 3
• C) 3 and 4
• D) 4 and 5

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Definitions:

Incentive Motivation

A theory in psychology that argues behavior is directed toward attaining desirable stimuli and avoiding unwanted stimuli.

Latent Learning

The subconscious retention of information without reinforcement or immediate application, which becomes apparent when a situation calls for it.

Basic Emotions

Fundamental emotions that are universally recognized, such as happiness, sadness, fear, disgust, anger, and surprise.

Amsel and Roussel

The combination does not refer to a widely recognized concept or pair in academic or scientific literature.