Biology, 26.11.2019 05:31 kaylabay1997
Thirty people are selected for a long-term mission to colonize a planet many light-years away from earth. the mission is successful and the population rapidly grows to several hundred individuals however, certain genetic diseases are unusually common in this group, and the group's gene pool is quite different from that of the earth population they have left behind. which of the following phenomena has left its mark on this population? a. founder effectb. adaptive effectc. high rates of mutationd. natural selection
Answers: 1
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 06:20
Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons
Answers: 1
Biology, 22.06.2019 17:30
Adding more tributaries to a local river basin can have what effect?
Answers: 3
Biology, 22.06.2019 23:30
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.
Answers: 2
Thirty people are selected for a long-term mission to colonize a planet many light-years away from e...
Mathematics, 05.10.2021 19:50
Social Studies, 05.10.2021 19:50
Business, 05.10.2021 19:50
Social Studies, 05.10.2021 19:50
Chemistry, 05.10.2021 19:50
History, 05.10.2021 19:50
Geography, 05.10.2021 19:50
Mathematics, 05.10.2021 19:50
Mathematics, 05.10.2021 19:50