Multicellularity and Large Body Size of Eukaryotic Organisms Requires High

question 16

Multiple Choice

Multicellularity and large body size of eukaryotic organisms requires high metabolic rates and efficient ATP production by aerobic respiration.How did bacteria change Earth's atmosphere to enable aerobic respiration?

• A)Oxygenic photosynthesis by cyanobacteria significantly increased the amount of oxygen in the atmosphere.
• B)Splitting of water during anaerobic respiration by cyanobacteria dramatically increased the amount of oxygen in the atmosphere.
• C)Nitrogen fixation by cyanobacteria decreased the amount of nitrogen in the atmosphere,leading to simultaneous increase of oxygen.
• D)Anaerobic respiration by cyanobacteria increased the amount of oxygen in the atmosphere by reducing the amount of iron oxides that are able to react instantly with oxygen.

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Definitions:

Constructive Thought Pattern

A cognitive approach that focuses on positive outcomes and rational thinking to solve problems.

Competency-based Rewards

A system where employees are compensated based on their skills, abilities, and contributions to the organization, rather than purely on their job title or seniority.

Positive Self-talk

Involves the practice of making affirmative or constructive statements to oneself, often as a way to boost confidence, reduce stress, and foster a positive mindset.

Self-reinforcement

Occurs when an individual rewards themselves for completing tasks or achieving goals, reinforcing their own behavior.