Until at Least Halfway Through Paleoproterozoic (About 1

question 7

Multiple Choice

Until at least halfway through Paleoproterozoic (about 1.2 billion years ago) , the main producers in Earth's marine ecosystems were

• A) dinoflagellates.
• B) multicellular algae.
• C) eukaryotic algae.
• D) bacteria, including cyanobacteria.

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Definitions:

Trust Versus Mistrust

A stage in Erik Erikson's theory of psychosocial development where an infant learns to trust their caregivers and environment or develops mistrust.

Generativity Versus Stagnation

According to Erikson, a major developmental task of later adulthood is finding meaning in one’s work, which produces a sense of generativity. Failure leads to a sense of stagnation.

Generativity

A term often used in psychology to denote a concern for establishing and guiding the next generation, typically expressed during middle adulthood.

Stagnation

Stagnation refers to a lack of development, progress, or motion, typically described in contexts such as economic, personal growth, or water movement.