Evolution can occur at different rates; however, for evolution to occur, there must be *
A) variations within a species
B) extinction of the species
C) asexual reproduction
D) no change in the genes of an organism

Which step if the scientific method relies more heavily on newly collected data than on creativity and innovation

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt