Each parent contributes one allele for this trait.
55 is the answer
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Answer:
dichloro-diphenyl-trichloroethane
Explanation:
DDT is an insecticide that can pass up the food chain from insects to small birds, and then from the small birds to birds of prey, like hawks. It can accumulate in the birds of prey, giving them a large amount of DDT
Answer:
the first wave of extinction may be related to rapid cooling at the end of the Ordovician Period, and the second phase is widely regarded as having been caused by the sea-level fall associated with the glaciation.
Answer:
60 beats per minute
Explanation:
heart rate is measured in minute, if he counted for 10 seconds, he would need to multiply that number by 6 to get his resting heart rate. 10×6=60