Check all statements below that are true.
 All organisms must compete for survival.
 When organisms struggle to survive, they usually mutate to increase chances of reproduction.
 Some organisms have phenotypes that make them better competitors than others in their
 environment
 Animals undergo natural selection, but plants and other organisms generally do not
 Natural selection continues to occur even today.
 Phenotypes found in the most successful members of a species become the most prevalent after
 several generations.
 A decrease in food availability will increase the variation in a population.