The Are Autotrophs Which Live in Anaerobic Environments Thought to Be

question 21

Multiple Choice

The are autotrophs which live in anaerobic environments thought to be similar to conditions on the early Earth, and may have diverged from other bacteria far back in time.

• A) thermophiles
• B) mycoplasmas
• C) cyanobacteria
• D) deeply branching bacteria
• E) proteobacteria

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Definitions:

Material Remains

Physical artifacts or evidence from past human activity, including buildings, tools, and pottery, used in archaeology.

Archaeological Site

Locations where remains of past human activities are preserved and which archaeologists study to understand historical cultures and civilizations.

Paleoanthropology

The anthropological study of biological changes through time (evolution) to understand the origins and predecessors of the present human species.

Human Evolution

The lengthy process of change by which people originated from apelike ancestors, spanning millions of years.