Approximately what percent of the energy that enters a trophic level becomes available to the next trophic level?
a. 2 to 12
b. 3 to 13
c. 4 to 14
d. 5 to 15
e. 5 to 30
ANSWER: e
You might also like to view...
_________________ produces new species and _________________ takes them away.
A. Extinction; speciation B. Speciation; extinction C. Background extinction; mass extinction D. Gradual change; punctuated equilibrium
Home gardeners who grow tomatoes are often told to pinch off axillary buds at nodes to prevent the plants from becoming too bushy. This is consistent with most tomato plants being which of the following?
A. monocots B. determinate C. eudicots D. indeterminate
All of the following are problems that growth causes for cells EXCEPT
A) more demands on DNA. B) excess oxygen. C) obtaining enough food. D) expelling wastes.
During interphase, most of the nucleus is filled with a complex of DNA and protein in a dispersed form called _________.
Fill in the blank(s) with the appropriate word(s).