Which of the following organisms in this good web is a producer? A. I because the organism is not consumed by any other organisms.

B. II because this organisms eats plants

C. III because this organisms makes its own food

D. IV because this organisms is good for the fox

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Nucleic acids offer variability because they contain alternate forms of genes called .

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