Which of the Following Is/are Critical for Darwin's Idea of Natural

question 12

Multiple Choice

Which of the following is/are critical for Darwin's idea of natural selection?

• A) Individuals vary in their traits.
• B) Natural resources are limited.
• C) Some individual variation is heritable.
• D) all of the above
• E) none of the above

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Definitions:

Oceanic Crust

The thin layer of the Earth's crust that underlies the ocean basins, composed mainly of basalt.

Mantle

The layer of the Earth located between the crust and the outer core, composed of silicate rocks rich in iron and magnesium.

Gravity

The force exerted between any two objects, such as that between the Sun, Earth, and Moon; synonymous with gravitational pull.

Sun

The star at the center of our solar system, which provides light and heat essential for life on Earth.