Unformatted text preview: • Plants respond structurally to conditions of their environment. • Tree ring analysis reveals both past and current climate information. • Trees grow directionally in response to wind. Defense Plants may have more need to defend against potential predators and competitors than many animals. Most plants lack motility and are fixed in space once germinated. They have evolved a delightful array of physiological (secondary metabolite) defenses as well as structural defenses to deter potential predators....
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- Fall '09