Biology, 14.05.2021 21:40, hernandezana360
Which scenario is an example of speciation?
A. Houseflies from a certain region migrate and interbreed with a different housefly population in a neighboring area.
B. A river separates members of a salamander population that used to occupy the same geographical area.
C. A disease ravages a large fox population, killing all members that did not have a genetic resistance to the disease.
D. Certain members of a human population have more offspring than others.
Answers: 3
Biology, 22.06.2019 02:00, vlactawhalm29
How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service
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The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these
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“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory
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Biology, 22.06.2019 08:00, cailinhannon4828
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
Which scenario is an example of speciation?
A. Houseflies from a certain region migrate and interbr...