Is an indicator of programmed cell death.

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)

Which of the following structures is a double layer of phospholipids with proteins? a: cytoplasm b: cell membrane c: ribosome d: cell wall

How does light interact with leaves to begin the process of photosynthesis? pigment molecules reflect light energy. pigment molecules absorb light energy. oxygen molecules absorb light energy. oxygen molecules reflect light energy.