Which best explains how ivanovski’s work lead to a change in the germ theory

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Which of the following is required of a new drug?me

Can a trait be both polygenic and have multiple alleles? explain why or why not.