Answer:
4 mass extinctions
Explanation:
as there are huge drops in the graphs
at 440,390,260,50
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Answer:
By finding recombination frequencies for many gene pairs, we can make linkage maps that show the order and relative distances of the genes on the chromosome ..
Contraction is the answer
Answer:
B
Explanation:
Amount of energy decreases as it goes higher up the trophic levels.
