The cladogram shows relationships among several mammal species which group of modern mammals is the most likely closely related to elephants

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.