When You Consider the Evolutionary History of Animals, What Are

question 47

Multiple Choice

When you consider the evolutionary history of animals, what are some plausible explanations for the diversification and extinction of some animal species?

• A)Animal form and function changed as new adaptations evolved, resulting in new predator-prey interactions.
• B)Some animals adapted better to the atmospheric and environmental changes than others.
• C)Soft-bodied animals and small-sized animals evolve faster but also go extinct faster.
• D)Less complex animals are always first to go extinct.
• E)A and B

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Definitions:

Resonance Structures

Resonance Structures are alternative Lewis structures for the same molecule, illustrating the delocalization of electrons within the molecule.

Hybridization

A concept in molecular chemistry describing the combination of atomic orbitals to form new hybrid orbitals suitable for the pairing of electrons to form chemical bonds.

Covalent Compounds

Chemical compounds where atoms are bonded by sharing pairs of electrons, characterized by the formation of molecules.

Resonance Forms

Alternative ways of drawing the structure of a molecule to represent delocalized electrons within the molecule, emphasizing the molecule's dynamic nature.