Recent Reconstruction of Proto-Indo-European Suggests That It Was First Spoken

question 32

Multiple Choice

Recent reconstruction of Proto-Indo-European suggests that it was first spoken in

• A)on river islands in central Europe.
• B)coastal areas where fishing was plentiful.
• C)the savannah.
• D)a temperate, forested climate.

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Definitions:

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Cellular Respiration

Metabolic reactions that use the energy from carbohydrate, fatty acid, or amino acid breakdown to produce ATP molecules.

Decomposers

Organisms that break down dead or decaying organisms, contributing to the nutrient cycle by recycling nutrients back into the ecosystem.

Food Chain

The order in which one population feeds on another in an ecosystem, thereby showing the flow of energy from a detritivore (detrital food chain) or a producer (grazing food chain) to the final consumer.