The Methanogens

question 5

Multiple Choice

The methanogens

• A) are part of the Archaea.
• B) oxidize hydrogen gas to produce methane.
• C) appear only in aerobic environments.
• D) use oxygen as a terminal electron acceptor.
• E) are part of the Archaea AND oxidize hydrogen gas to produce methane.

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Definitions:

Hominids

A family of primates that includes humans and their extinct ancestors, characterized by bipedalism, large brain size, and complex behaviors.

Skeletal Differences

Variations in the structure or composition of the skeletal system among different organisms or individuals, often used in the study of evolutionary biology and anthropology.

Hominoids

A group that includes all modern and extinct Great Apes and humans, characterized by larger brains, no tail, and an upright posture.

Hominins

refers to members of the human lineage after the split from the common ancestor with chimpanzees, including modern humans and extinct human species.