If one population dies out, all the populations that depend on that species for food may also die out. A change in one population affects the entire community because all the populations of a community depend on each other.
The roots take in the water and then it travels through the stem of the plant.
It allows plants to lose water and heat more quickly as temperature increases, prevents the plant from wasting energy by growing leaves when the temperatures are too cold, prevents the plant from getting too hot during the summer months of the year and it allows plants to perform photosynthesis as soon as temperatures are warm enough. Hope this helps :)
Answer:
its the first onw if i remeber
Explanation:
easy
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.