Describe the following organelles and functions: Mitochondria, Smooth Endoplasmic Reticulum, Rough Endoplasmic Reticulum, Chloroplasts and Golgi Complex.

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

Environmental differences within ecosystems are generally caused by

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal