A target cell respond to a hormone because it bears receptors
I believe it is the second one not 100% sure so don't blame me if you fail.
Answer: C
Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.
<span>The patient is experiencing less oxygen in the blood. Menorrhagia is the same thing as a menstrual period, which can cause anemia. Anemia causes less oxygen flow due to a lower red blood cell count. The function of red blood cells s to carry oxygen throughout the body.</span>
The upper (landward) end of the intertidal zone, dominated by barnacles, limpets, chitons, and other encrusting species; The mid-intertidal zone, where fucoid algae and mussels provide structure and habitat; and. The low-intertidal zone is made up of kelps, fleshy seaweeds, and seagrasses.