2x+y=−8x−y=−4{2x+y=−8x−y=−4

(−1, 3)(−1, 3)

(−4, 0)(−4, 0)

(−3, −2)(−3, −2)

(1, 5)

thermophiles, notice the prefix thermo.

every el niño cycle is different. every year.

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