What Is So Significant About the Recent Fossil Finds of an H.erectus

question 20

Multiple Choice

What is so significant about the recent fossil finds of an H.erectus and an H.habilis from Ileret,Kenya,east of Lake Turkana?

• A) They prove that H. erectus and H. habilis coexisted in the same ecological niche and eventually interbred to result in a single species.
• B) They confirm that H. habilis evolved from H.erectus.
• C) They prove that sexual dimorphism was finally absent as a trend in human evolution by 2 m.y.a.
• D) They negate the conventional view held since 1960 that habilis and erectus evolved one after the other. Instead, they lived side by side in eastern Africa for perhaps half a million years.
• E) They prove that functional differentiation in toolmaking preceded the advent of Homo.

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Definitions:

Effective Rate

is the interest rate on a loan or financial product, restated from the nominal rate as an annual rate that may incorporate compounding.

Endowment Fund

A financial endowment given to institutions like universities, museums, and non-profits to invest and use the annual income from investments for operations or programs.

Perpetuity

A financial instrument that pays a steady, never-ending stream of cash flows to the investor.

Compounded Semi-Annually

A method where interest is added to the principal balance of an investment or loan twice a year, leading to compound growth.