Urgent!!! Describe the role of the cell’s plasma membrane in cell transport. Include at least 2 specific components of the cell membrane. Then, explain how the movement of water would occur across the membrane using 2 of the following terms: osmosis, diffusion, passive transport, active transport.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

How do you date a sample of rock that you suspect as being one of the earliest on earth

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called