Why Is There Disagreement on the Classification of Many Fossils

question 54

Multiple Choice

Why is there disagreement on the classification of many fossils dating to between 500,000 and 200,000 years ago?

• A) Many fossils from this period have a mix of H. erectus and H. sapiens traits.
• B) There are no H. erectus fossils from this period in Europe, but they are present in Africa.
• C) The H. erectus fossils seem to disappear very suddenly around 300,000 years ago.
• D) Many paleoanthropologists place the origins of H. sapiens much earlier than 500,000 years ago.

---

Definitions:

Red Blood Cells

Blood cells responsible for transporting oxygen from the lungs to tissues throughout the body and bringing carbon dioxide back from those tissues to the lungs.

Pleural Cavity

The thin fluid-filled space between the two pulmonary pleurae (visceral and parietal) of each lung; involved in respiratory mechanics.

Fluid

A substance that has no fixed shape and yields easily to external pressure; a liquid or gas.

Litigation

The process of taking legal action or resolving disputes in court.