What is the meaning of the term resource partitioning? two species share different parts of a limited resource
two species use the resources, but not equally
several species compete for the same resources
one species dominates the use of the resource needed

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph