Unit test review
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the endosymbiotic theory states that chloroplasts and mitochondria evolved as a result of
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a prokaryotic cell engulfing a bacterial cell.
a eukaryotic cethengulfing a bacterial cell.
a bacterial cell engulfing a prokaryotic cell.
a bacterial cell engulfing a eukaryotic cell.

biology is the study of life. it is the study of living organism.

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