Print out a copy to study. Mnemnomics simple ways to remember the facts. Homeostasis is achieved during extreme variations in the activities of an organism because the internal environment must remain stable.
Metabolism is the total of all life processes.
Reproduction is necessary for the survival of a species but not for the survival of the individual. Taxonomy deals with the classification and naming of all plants and animals, both living and dead. Protoplasm refers to all the substances that make up the living contents of a cell. Yes, large Yes, small Only Plant cells have cell walls. Use The Reference Tables.