What does a pyramid of net production look like in a real ecosystem, and what are the trophic efficiencies? the pyramid below represents the data collected from h. t. odum's work on the silver springs ecosystem in north-central florida. (note that odum used the units kilocalories [kcal] instead of joules [j].) drag the labels to the pyramid to indicate the trophic efficiency from each trophic level to the next.
a. 12%
b. 5%
c. 17%
d. 0.5%

Describe how an electric generator works

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain