Biology, 25.01.2022 01:20 Oliviapuffinburger33
Did trilobites and dinosaurs live at the same time? What is your evidence?
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, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 22.06.2019 13:30
Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?
Answers: 1
Biology, 23.06.2019 07:00
Early one morning, looking east, you see what appears to be a star. your friend, sheen, explains that it's not a star, it's a planet. which planet is it likely to be? a) neptune b) pluto c) uranus d) venus
Answers: 1
Did trilobites and dinosaurs live at the same time? What is your evidence?...
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