Read the following scenarios. Then explain how natural selection could occur in each. Include the four principles of natural selection (overproduction of offspring, adaptation, variation, and descent with modification) as well as what condition(s) drive natural selection.
3. . Polar bears tend to have varying thickness in coats: some are
thin, some are medium, and some are thick. Due to global
warming, temperatures have been slowly rising over time. Most
of the bears have 2 cubs a breeding season, but only 1 survives
the changing temperatures.
Answers: 2
Biology, 21.06.2019 21:30
92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?
Answers: 3
Biology, 22.06.2019 03:30
Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?
Answers: 3
Biology, 22.06.2019 05:00
Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
Answers: 1
Biology, 22.06.2019 08:00
Drag each label to the correct location in the equation. not all tiles will be used. the density of mercury is 13.6 grams per cubic centimeter. complete the steps for converting 13.6 g/cm3 to kg/m3. (1 kg = 1,000 g, 1 m3 = 106 cm3)
Answers: 3
Read the following scenarios. Then explain how natural selection could occur in each. Include the fo...
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