Organisms require energy to function. What is the energy source for the plants in your experiment?

A. water
B. light
C. carbon dioxide
D. ammonium nitrate
E. soil


B. light

Biology & Microbiology

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Which of the following is NOT a fruit?

a. tomatoes b. strawberries c. sweet potatoes d. pineapple e. apples

Biology & Microbiology

The tidal zones, in which the barnacles Balanus and Chthamalus exist when both species are present, illustrate the principle of


A. symbiotic inclusion.
B. parasitism.
C. competitive exclusion.
D. None of the answer choices is correct.
E. resource partitioning

Biology & Microbiology

In the U.S., the ____________________, a standardized set of thirteen STR alleles, is used to generate DNA profiles

for legal cases. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Hair-like canals that connect lacunae to each other and to central canal

What will be an ideal response?

Biology & Microbiology