A researcher wants to document the number of monarch butterflies that migrate througha specific area. Which statement describes a limitation the
researcher is likely to face?
OA Monarchs feed predominately on milkweed plants
OB. Some monarchs might be cOunted more than once
OC. Some monarchs die before they can migrate
D. Monarchs migrate during a specific time of vear

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 

b) the inside picture would look at a very high temperature in a very low ph

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.