Answer:
the answer will be
measure the growth of plant that did not recieve fertilizer
perform additional trials
Explanation:
i just took the test and got the answer right
Answer:
the variable that is being measured
Answer:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. (Draw a plant and this is tghe one you underline)
A heterotroph is an organism that eats other plants or animals for energy and nutrients. (You can draw a dog, cat, frog or a person)
According to some research it is estimated that about 20% of americans of the age of 12 are infected with the human papilloma virus.
Hope it helped,
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