Which of the following statements is true? all mutations cause evolution. any change to the dna of an organism is called evolution. all mutations are harmful. evolution happens slowly over time.

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

People with one sickle cell allele are not likely to get malaria. what is this an example of?