What is the source of energy in our ecosystem? in our ecosystem, the is the source of all energy. in terms of the ecological pyramid, of energy is passed from one level to next level.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

How and why organisms are hierarchically classifies

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells