Paleontologists have found evidence that after a major extinction occurs, _____. a. there is no particular pattern of speciation
b. many new species often appear at about the same time c. a new species evolves to replace each species that became extinct d. most species move away because they cannot adapt
An extinction event<span> (also known as a </span>mass extinction<span> or </span>biotic crisis<span>) is a widespread and rapid decrease in the </span>biodiversity<span> on </span>Earth. There is a <span>sharp change in the diversity and abundance of </span>multicellular organisms<span>. I</span> Paleontologists have found evidence that after a major extinction occurs,many new species often appear at about the same time .
