A Double Covalent Bond Involves

question 91

Multiple Choice

A double covalent bond involves

• A) the sharing of one pair of electrons.
• B) the sharing of two pairs of electrons.
• C) the donation of one pair of electrons.
• D) the donation of two pairs of electrons.

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Definitions:

Tropic Cascades

Ecological phenomena where predators in a food web indirectly affect the abundance or distribution of their prey's prey, through a chain of interactions.

Keystone Species

A pivotal species within an ecosystem that other species heavily rely on, whose absence would result in profound alterations to the ecosystem's composition.

Cryptic Coloration

Colors or markings that help some organisms hide from predators by blending into their physical surroundings. Compare with aposematic coloration.

Unpalatability

The quality or state of being unappetizing to eat or difficult to digest, often a defense mechanism in plants and animals against predators.