The study of structural differences and similarities among living things is called

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

The transport tubes for food coming down the plants are called?

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?