The curve on the left shows the height of a rat population in 2007. the curve on the right shows the population in 2010. what type of selective pressure was taking place in this population?

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Place the steps tor the formation of the enzyme pepsinogen in correct order

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20