Simple diffusion is the movement of molecules from high concentration to low concentration with the aid of a channel protein. true? or false?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

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)