In Organisms That Lack a Circulatory System, What Is the Most

question 21

Multiple Choice

In organisms that lack a circulatory system, what is the most common method of exchanging nutrients from the external environment to the body?

• A) diffusion
• B) osmosis
• C) absorption
• D) swallowing them whole
• E) engulfing them into their stomach

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Definitions:

Reproductive Strategy

A biological concept referring to the behaviors and mechanisms organisms use to produce offspring and ensure their survival.

Psychosexual Development

Freud's theory that describes how personality develops through five stages (oral, anal, phallic, latency, genital) during childhood.

Socialization

The process by which individuals acquire the norms, values, and behaviors necessary for participating within their society.

Evolutionary Theory

A set of principles that explains the diversity of life on Earth by processes such as natural selection, adaptation, and speciation.