Charles Darwin

question 9

Multiple Choice

Charles Darwin

• A)inferred the patterns of common ancestry without a mechanistic understanding of genes and heredity.
• B)developed a hypothesis about past events that later became testable.
• C)argued that humans descended from another primate species.
• D)All of the above

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Definitions:

Lichens

Symbiotic organisms composed of a fungus and a photosynthetic partner, often an alga or cyanobacterium.

Photochemical Oxidant

Chemical compounds formed by the reaction between sunlight and pollutants like hydrocarbons and nitrogen oxides, contributing to air pollution and smog.

Ozone

A molecule composed of three oxygen atoms, found in the Earth's stratosphere, where it absorbs and protects against harmful ultraviolet radiation.

Radon-222

A naturally occurring radioactive gas produced by the decay of uranium in the Earth's crust, known for its health risks, particularly lung cancer, when accumulated in buildings.