What are some common themes of biology? select all that apply. the laws of motion the study of chemical reactions the study of ecology the study of genetics all living things require energy

The correct answer is option C and D - The study of ecology  and The study of genetics

The central theme is a characteristics features which is common in all the living forms varying from Amoeba to whale and these themes are also known as “unifying characteristics” which distinguishes living being from the non living things. Considering this the major themes of biology are as given below -  

a)Cell, its structure and functions

b)The relationship between different organisms/species

c)Hoemostatis and stability

d)Reproduction and genetic variation  

e)Evolution of organisms.

a hamster is a ham and a guinea pig is a pig so yes they are

answer; i believe the correct answer is (replication is not conservative);