How many atoms are in 3Ba2(OH3)2

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Identify and describe the three ways that mutations affect organisms.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true