Which Model Would Predict the Abrupt Appearance of a New

question 98

Multiple Choice

Which model would predict the abrupt appearance of a new species in the fossil record, with little or no evidence of intermediate forms?

• A) anagenesis
• B) gradualism
• C) microevolution
• D) paedomorphosis
• E) punctuated equilibrium

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Definitions:

Substrate-level Phosphorylation

A metabolic process where ATP is produced by the direct transfer of a phosphate group to ADP from another phosphorylated compound.

Oxidative Phosphorylation

A metabolic pathway that uses energy released by the oxidation of nutrients to produce ATP, it takes place in the mitochondria.

Phosphofructokinase (PFK)

An important enzyme in the glycolytic pathway, regulating the rate of glucose breakdown by converting fructose-6-phosphate into fructose-1,6-bisphosphate.

Glucose-6-phosphate

A glucose sugar phosphorylated at the 6th carbon, playing a critical role in energy metabolism and the glycogen storage pathway.