What Have Researchers Learned by Looking at the Molars and Other

question 58

Multiple Choice

What have researchers learned by looking at the molars and other cranial features of H. erectus?

• A) H. erectus was more dependent on tubers than earlier hominins.
• B) The paucity of dental remains of H. erectus has made it difficult for researchers to say anything significant.
• C) H. erectus was more dependent on hunting-and the lifestyle it demanded-than earlier hominins.
• D) H. erectus had yet to make the shift to hunting seen later on with Neandertals.
• E) The chewing apparatus of H. erectus was essentially the same as that of H. habilis.

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Definitions:

Centriole Pair

A pair of small, cylindrical structures that play a role in cell division in animal cells.

Protein Synthesis

The process by which cells build proteins, consisting of transcription in the nucleus and translation in the cytoplasm.

Cell Cycle

The series of events that take place in a cell leading to its growth, replication, and division into two daughter cells.

Cytosol

The aqueous component of the cytoplasm within a cell, where organelles are suspended and various cellular processes occur.