Which fully grown animal has the fastest average heart rate? A. Elephant
B. Human
C. Cat
D. Rabbit
E. Squirrel

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

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?