In paramacia, the contractile vacuoles push out excess water and waste from the cell body. Why is this important?

Which process is involved in growing crops? irrigation transportation recreation condensation

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 are the student's observations and inferences before he starts his investigation?