Temperatrure diffrences between the equator abd the two poles produce
a: convection currents...
Answers: 1
Biology, 21.06.2019 20:50
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
Answers: 1
Biology, 22.06.2019 04:30
Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases
Answers: 2
Biology, 22.06.2019 19:00
1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?
Answers: 2
Biology, 22.06.2019 20:00
Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?
Answers: 1
Geography, 28.01.2020 19:11
Mathematics, 28.01.2020 19:11
English, 28.01.2020 19:11
Biology, 28.01.2020 19:11
Biology, 28.01.2020 19:11
Mathematics, 28.01.2020 19:11
Mathematics, 28.01.2020 19:11
Mathematics, 28.01.2020 19:11
Mathematics, 28.01.2020 19:11
English, 28.01.2020 19:11
English, 28.01.2020 19:11