All theories of the origin of life on Earth must explain which of the following phenomena?
A The conversion of atmospheric oxygen into carbon dioxide
B The formation of landforms suitable for life on continental crust
C How consciousness arises from the activity of a complex nervous system
D How organic molecules can be formed from inorganic molecules

preservation because he preserves part of the land and preserves means save

explanation:

one would be wind another would be water density

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg