Diploblastic Animals, Such as Cnidarians and ____, Have Only Two

question 51

Multiple Choice

Diploblastic animals, such as cnidarians and ____, have only two germ layers, ectoderm and ____.

• A) sponges; ectoderm
• B) sponges; mesoderm
• C) ctenophores; mesoderm
• D) ctenophores; endoderm
• E) ctenophores; metaderm

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Definitions:

Structuralism

An approach in psychology and other social sciences focusing on analyzing the structure of the human mind and its perceptions, rather than its content.

Behaviorism

Behaviorism is a theory of learning based on the idea that all behaviors are acquired through conditioning and that environmental interactions shape behavior, largely ignoring mental states or innateness.

Developmental Psychologists

Professionals who study the growth and development of the human mind and behavior across the lifespan.

Prenatal Period

The stage of human development that occurs from conception until birth.