The Appearance of Complex Multicellular Animals in the Fossil Record

question 159

Multiple Choice

The appearance of complex multicellular animals in the fossil record:

• A)coincides with abundant levels of oxygen in the atmosphere and ocean.
• B)occurred at about the same time as the appearance of land plants.
• C)occurred soon after the appearance of simple multicellular organisms.
• D)occurred after the appearance of complex multicellular fungi.
• E)coincides with time period when oxygen first began to accumulate in the atmosphere.

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Definitions:

Purpose in Life

The sense of meaning, direction, and intentionality in an individual's existence.

Psychological Well-Being

A state, comprising aspects such as self-acceptance, personal growth, purpose in life, positive relations with others, environmental mastery, and autonomy, reflecting an individual's psychological functioning and satisfaction with life.

Sense of Self

An individual's perception, consciousness, and recognition of their identity and personality traits.

Sense of Popularity

An individual's perception or belief about their level of popularity or acceptance within a social group.