Which of the following is an example of active transport?
a) equilibrium
b) facilitated diffusion
c) sodium-potassium pump
d) osmosis

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Which best describes carbon dioxide’s path out of the body