What Is the Key Difference Between a Foundation Species and a Keystone

question 15

Multiple Choice

What is the key difference between a foundation species and a keystone species in a given ecosystem?

• A)A foundation species exerts the most influence on maintaining biodiversity while a keystone species is most abundant.
• B)A foundation species is usually the most abundant, and a keystone species exerts the most influence on maintaining biodiversity.
• C)There is no difference-the terms are used interchangeably.

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Definitions:

Hydrogen Bond

Attraction between a covalently bonded hydrogen atom and another atom taking part in a separate polar covalent bond.

Polar Covalent Bond

A type of chemical bond where electrons are unequally shared between atoms, leading to partial electric charges.

Covalently Bonded

Atoms that are linked together by sharing pairs of electrons to achieve stability.

Ionic Bond

Type of chemical bond in which a strong mutual attraction links ions of opposite charge.