Types of living organisms on Earth have changed over time; new species have originated and existing species have disappeared.This describes
A) speciation.
B) extinction.
C) macroevolution.
D) alternation of generations.
E) hybridization.

Question

Quizplus · Accepted Answer

Macroevolution is about the change in species, while microevolution is about smaller changes, such as alteration of allele frequencies in populations.

Types of Living Organisms on Earth Have Changed Over Time;