The feature of a map that relates a distance on the map to a distance on Earth's surface is called the A scale.
B. symbol.
C. degree
D. prime meridian

scale

Explanation:

The scale will usually tell how many miles an inch represents, or how many kilometers a centimeter represents.

explanation:

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