Descent with modification in biological organisms ; or a change in gene frequency in a population of organisms through time. Pls Mark me as the brainliest!
Explanation: A, because the foundation of biological evolution is changes in gene frequency in a population occur from one generation to the next. Mutation, migration, genetic drift, and natural selection along with sexual reproduction result in genetic variation or changes in gene frequency.
Coral bleaching is essentially when a coral turns white because the temperature is too hot for it to survive. It will continue to occur as the temperature keeps getting higher because of global warming. All corals might die
