Biology, 14.10.2019 19:20 kiekie1986
Differentiate between density-dependent and density-independent limiting factors and give at least two examples from the lesson of each.
Answers: 1
Biology, 21.06.2019 17:30, esnyderquintero
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Biology, 21.06.2019 18:30, rebecca52360
What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination
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Biology, 21.06.2019 23:00, gthif6088
The tasmanian devil, a marsupial carnivore, is facing extinction due to devil facial tumor disease (dftd) which causes bulging cancerous lumps and lesions to erupt around the face and neck — often causing enough deformation to make seeing or eating difficult. dftd has evolved into a contagious cancer, a trait that is unique among cancers. devil mating behavior involves biting around the head and neck, allowing cells from one individual — especially cells from the crumbly dftd tumors — to be transferred to the wounds or face of a new individual. this marsupial was once found across australia, but sea levels rose, isolating the tasmanian population, while the australian population went extinct. what would be an outcome of genetic isolation that is likely to have impacted the spread of dftd? a) reduced territory puts diseased individuals in greater contact with non-diseased ones. b) inbreeding results in less variation in facial features so the cancer is generally fatal. c) genetic isolation has made it difficult for scientists to develop a vaccine against dftd. d) the lack of genetic variation in the immune system of tasmanian devils minimizes resistance to the disease.
Answers: 3
Differentiate between density-dependent and density-independent limiting factors and give at least t...
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