I have an exam A- a biologist originally marked 80 butterflies in Wilson Park. Over a month long period ­ butterfly traps caught 400 butterflies. Of those 400, 40 were found to have tags. Based on this information, what is the estimated population size of the butterflies? *
40
8
800
100 ( with the method )

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.