Trophic pyramids typically have a ____ base and a ____ top portion
a. narrow; narrow
b. narrow; wide
c. wide; narrow
d. wide; wide
e. flat; flat
ANSWER: c
You might also like to view...
An exaggerated attack on a harmless antigen by an overly sensitive immune system is termed a(n)
A. autoimmune disease. B. primary immune response. C. secondary immune response. D. allergy. E. innate defense stimulator.
Which amoung these explains the relationship between the magnification of the lens and working distance of a microscope?
A. As the magnification of the lens increases, working distance decreases. B.As the magnification of the lens increases, working distance increases. C.As the magnification of the lens decreases, working distance decreases. D. They are not related to each other
Who discovered penicillin?
A) Fleming B) Ehrlich C) Kitasato D) Pasteur E) Domagk
TCA cycle enzymes are found in the ________ ________ of eukaryotic cells.
Fill in the blank(s) with the appropriate word(s).