Which of the following models presents a species relationship as it would typically be drawn within a food web? vertical model. from top to bottom: an oval with the label rabbit, a down arrow, an oval with the label fox. vertical model. from top to bottom: an oval with the label fox, a down arrow, an oval with the label rabbit. vertical model. from bottom to top: an oval with the label rabbit, an up arrow, an oval with the label fox. vertical model. from bottom to top: an oval with the label fox, an up arrow, an oval with the label rabbit.

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

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

In which state was more than 100 billion tons of coal mined in 2005?