The Process of ________ Has Had a Major Impact on Species

question 25

Multiple Choice

The process of ________ has had a major impact on species distributions worldwide.

• A) continental drift
• B) comparative biochemistry
• C) genetic engineering
• D) divergent speciation
• E) adaptive mobility

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Definitions:

Electrons

Negatively charged subatomic particles found in all atoms, orbiting the nucleus and involved in chemical bonds and electricity.

Octet Rule

A chemical rule of thumb that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shell, giving it the same electron configuration as a noble gas.

Isoelectronic

Describing atoms, ions, or molecules that have the same number of electrons and thus similar electron configurations.

Octet Rule

A chemical rule of thumb that reflects the observation that atoms of main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell.