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.

Recognize the distribution of business R&D spending among innovation, invention, and basic research.

Grasp the concept of diffusion through the adoption of innovations by competitors or other industries.

Identify the characteristics and examples of start-up firms.

Understand the concept and examples of entrepreneurship.

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Definitions:

Photosynthesis

The method through which green plants and certain other organisms utilize sunlight to create nutrients from carbon dioxide and water.

ATP and NADPH

Adenosine triphosphate (ATP) and Nicotinamide adenine dinucleotide phosphate (NADPH) are crucial molecules in cellular energy transfer and photosynthesis, serving as energy currency and reducing power, respectively.

Light-dependent Phase

The first stage of photosynthesis where sunlight is absorbed and used to produce energy carriers ATP and NADPH.

Chemoheterotrophs

Organisms that obtain their energy and carbon from organic compounds, typically by consuming other organisms or organic matter.