Although Many Types of Plants Decreased in Diversity as Angiosperms

question 31

Multiple Choice

Although many types of plants decreased in diversity as angiosperms gained dominance, polypod ferns radiated in conjunction with the evolution of angiosperms. Why?

• A)Angiosperms created new environments that ferns could inhabit.
• B)Angiosperms and ferns could interbreed, increasing fern diversity.
• C)Herbivores that once preyed on ferns began to target angiosperms.
• D)In response to angiosperms, ferns developed secondary growth.
• E)All of these choices are correct.

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Definitions:

Emotions

Complex psychological states involving three distinct components: a subjective experience, a physiological response, and a behavioral or expressive response.

Behavior

The actions or reactions of an individual or system in response to external or internal stimuli.

Psychosexual Development

A theory by Freud outlining how personality develops through stages centered on erogenous zones from childhood to maturity.

Sexual Attachments

The emotional bonds that are formed through sexual activity and intimacy with another person.