True or False: in order to diffuse into the leaf, carbon dioxide must be at a higher concentration on the outside of the leaf.

What heat is removed how does a gas become a liquid

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which animal is a producer in this ecosystem