Question 2 (5 points) Which of the following is evidence that mollusks and annelids may be closely related?
O a
Oь
Both groups have setae
Both groups use nephridia.
Neither group has a brain.
Both groups include both marine and terestrial animals.

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

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

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?