There were more dark moths around factories because trees were darker near factories because of pollution. More light moths were found in the country away from the factories, in the forests with no factory pollution
2 kingdoms
Plantae
And animalia
Hope that helped :D
Which of the following are parts of the cardiovascular system?
a) Blood
b) Heart
d) Blood vessels
Choose: a); b); d)
Enzymes serve to speed up reactions by lowering the energy of activation, the amount of energy needed to begin a reaction.