A Canadian farmer taps a maple tree for its sap. At first, the hole in the tree oozes xylem sap. Later, the tree begins to repair the damage that has been done. The tree's xylem primarily works in conjunction with which system?

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Defend or refute the argument that the government has too large a presence in the agriculture industry.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.