Life on Earth Probably Evolved in the Ocean

question 41

Multiple Choice

Life on Earth probably evolved in the ocean. Which statement supports this view?

• A)The cellular makeup of all living organisms depends on saline water within their cells to dissolve and transport chemicals.
• B)Biosynthesis cannot occur without high concentrations of free oxygen, similar to the condition of Earth's early atmosphere and ocean.
• C)In laboratory experiments, complex life formed spontaneously in a solution similar to that of Earth's early ocean.
• D)The oldest fossils yet found are remnants of land-based organisms.

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Definitions:

Gender Roles

The social and cultural norms dictating the expected behaviors, attitudes, and attributes based on one's perceived or assigned gender.

Male "Breadwinner"

A term typically used to describe a man who is the primary or sole income earner in a household, responsible for supporting the family financially.

Maternal Employment

The engagement of mothers in paid work outside the home, often analyzed in relation to its effects on family life and child development.

Child Development

Refers to the physical, cognitive, emotional, and social growth that occurs from birth through the end of adolescence.