Geography, 11.11.2019 02:31 hcoulter15
darwin hypothesized that there are definite steps to natural selection. consider the model for natural selection. describe a scenario that represents this model of natural selection according to darwin.
a) in a population of rabbits, some are brown all year long. when it snows these rabbits cannot hide from predators and they become extinct.
b) in a population of sunflowers, mutations cause some flower heads to produce more seeds. more seeds means that there are more sunflower plants over time.
c) in a populations of birds, mutations result in different beak sizes so the birds do not compete for food in the area. the bird population is made up of birds with many different types of beaks.
d) in a population of bacteria, variations exist due to mutation. the bacteria are subjected to antibiotics. some bacteria die; others survive and reproduce. eventually, the bacteria a resistant to the antibiotics.
Answers: 1
Geography, 23.06.2019 13:00
What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.
Answers: 2
Geography, 24.06.2019 00:00
Which statements about the diagram are true? check all that apply. is an angle bisector. lkq is bisected. mjkl = 45° mmkq + mpkq = mpkm is an angle bisector. jkl qkm
Answers: 1
darwin hypothesized that there are definite steps to natural selection. consider the model for natur...
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