The ends of the geologic eras such as the paleozoic and mesozoic are marked by
a. mass extinct...
Answers: 2
Biology, 21.06.2019 19:40
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
Answers: 1
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
Answers: 1
Biology, 22.06.2019 08:20
Which characteristics are typical of a human population in the postindustrial stage?
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Biology, 22.06.2019 09:30
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
Answers: 2
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