Science Worksheets and Study Guides Eighth Grade. Respiration and excretion

The resources above correspond to the standards listed below:

Kansas Standards

KS.3. Life Science: The student will develop an understanding of the cell, molecular basis of heredity, biological evolution, interdependence of organisms, matter, energy, and organization in living systems, and the behavior of organisms.
3.7. The student will demonstrate an understanding of the diversity of structure and function in organisms.
3.7.2. The student understands that homeostasis is the dynamic regulation and balance of an organisms internal environment to maintain conditions suitable for survival.
3.7.4. The student understands that in complex organisms there is a division of labor into specific body systems i.e., respiration, digestion, nervous, endocrine, excretion, circulatory, reproductive, immune, skeletal and muscle.