PLEASE HELP

Match each type of fossil to its description

petrified fossil

living thing turned to rock

cast

detail left after an organism decays

trace fossil

solid copy

mold

hollow form

carbon film

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

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)

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this