Which two words describe the grass in this food chain? A. Autotroph, primary consumer

B. Heterotroph, producer

C. Heterotroph, primary consumer

D. Autotroph, producer

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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