Two lakes are close to one another and sometimes connect when floods occur. Each lake has two species of fish that are very similar. One species has brown scales and the other species has orange scales. One hypothesis for the origins of the fish species is shown below. What does this hypothesis state? A. The fish in Lake 1 and Lake 2 come from different types of ancestors.

B. The fish in Lake 1 and Lake 2 originally lived in the same lake.

C. The fish in Lake 1 and Lake 2 are descended from a common ancestor.

D. The fish in Lake 1 and Lake 2 developed due to geographic separation.

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

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?