​The Earliest Cells Most Likely ____

question 8

Multiple Choice

​The earliest cells most likely ____.

• A) ​were prokaryotic cells
• B) ​did not have a nucleus but had membrane-bound organelles
• C) ​used oxygen gas in order to thrive successfully
• D) ​used energy from the sun
• E) ​were multicellular

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Definitions:

Photosynthesis

The process by which green plants, algae, and certain bacteria convert light energy, water, and carbon dioxide into oxygen and glucose.

Carbon Dioxide

An invisible, unscented gas generated through the combustion of carbon-based and organic materials, as well as by the respiration process, which is consumed by plants during photosynthesis.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.

Cellular Respiration

A metabolic process in cells where organic molecules are broken down to release energy used for vital functions.