Biology, 11.05.2021 01:00 fatumasiraj
Suppose the mutation for the sickle cell disease gene first appeared in a region without malaria. The first
carrier would have
(1 point)
O been less likely to survive and reproduce than his peers.
O been more likely to survive and reproduce than his peers.
O died from sickle cell disease before reproducing.
O had the same likelihood to survive and reproduce as his peers.
Answers: 3
Biology, 21.06.2019 20:30
Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy
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Explain two reasons you think it is important for scientists to search for new ways to treat cancer
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Biology, 21.06.2019 22:40
Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.
Answers: 1
Suppose the mutation for the sickle cell disease gene first appeared in a region without malaria. Th...
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