As a rough rule of thumb, about ________ of the energy consumed as food at a given food chain level is converted to new biomass, and the remaining is respired and dissipated as heat
A) 10 percent
B) 20 percent
C) 30 percent
D) 40 percent
E) 50 percent
Answer: A
You might also like to view...
The fluid-filled structure that helps to cushion and protect a developing embryo is the
A. zona pellucida. B. blastocyst. C. placenta. D. amnion.
When solution takes place, the ions of a substance separate in a liquid, and the solid substance dissolves
Indicate whether the statement is true or false
New species arise as the result of two processes, geographic and reproductive isolation. Explain how these processes work together to produce new species.
What will be an ideal response?
It required 88.2 calories to heat 14.3 g of an unknown substance from 24°C to 175°C. What is the specific heat of the unknown?
A) 0.245 cal /g·°C B) 0.317 cal /g·°C C) 0.408 cal /g·°C D) none of these