Biology, 29.11.2019 00:31 edmundg2238
During which geologic timespan below could in interaction between humans and mammoths have occurred?
1. pleistocene epoch
2. pennsylvania period
3. precambrian
4. paleozoic era
Answers: 2
Biology, 22.06.2019 11:00
Which measure of an earthquake depends on how close you are to the focus?
Answers: 3
Biology, 22.06.2019 15:30
On his trip to the galapagos islands, darwin determined that animals on the islands
Answers: 1
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 21:30
Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.
Answers: 2
During which geologic timespan below could in interaction between humans and mammoths have occurred?...
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