Biology, 04.04.2020 12:18 hellokitty1647
A series of strong storms opened a stream channel between two lakes. The western lake contains a large, diverse population of a species of minnow. The eastern lake has never been populated by fish. When the channel opened, a small group of fish migrated to the eastern lake. Soon after, the stream channel dried up and was never opened again. The fish in the eastern lake thrived and continued to reproduce, building a large population over time. Compared with the fish in the western lake, what characteristics would you expect the population in the eastern lake to exhibit?
Answers: 1
Biology, 21.06.2019 20:40
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Biology, 22.06.2019 05:00
Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?
Answers: 1
Biology, 22.06.2019 08:10
Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material
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A series of strong storms opened a stream channel between two lakes. The western lake contains a lar...
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