Why Did It Take So Long for Eukaryotes to Evolve

question 27

Multiple Choice

Why did it take so long for eukaryotes to evolve after photosynthetic prokaryotes began releasing O₂ into the atmosphere?

• A)O₂ moves slowly through larger cells, so higher concentrations of O₂ had to become available before eukaryotic cells could be efficiently supported.
• B)The ability to use O₂ had to evolve before cells could survive in an O₂-rich atmosphere.
• C)The ability to break down the waste products of O₂ use had to evolve before cells could use it to create energy.
• D)Enough prokaryotes had to become extinct to provide eukaryotes with a niche to occupy before they could evolve.

Identify the advantages of social media over traditional communication methods in releasing business news.

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Learn the process of drafting instructions for simple procedures.

Master the technique for writing effective routine business requests.

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Definitions:

Self-concept

An individual's perception of their own strengths, weaknesses, and unique qualities; a reflection of one's identity.

Physical

Pertaining to the body and its physiological functions, as opposed to the mind or emotional state.

Achievement Motivation

The willingness to persist at challenging tasks and meet high standards of accomplishment.

Learning Opportunities

Situations or settings that provide potential for acquisition of knowledge, skills, or experience through education or practice.