Bookverdict.com

Gr 4-6 Lively, well-organized texts profile dozens of organisms that threaten our health and well-being. Jackson succinctly describes the characteristics of more than three dozen invasive species of plants and animals; the variety of ways they entered or were introduced into new habitats; and their negative impact on native ecosystems, commerce, agriculture, etc. Included are the brown tree snake, African clawed frog, kudzu, and snakehead fish. Perritano briefly discusses the distinctive physical and behavioral characteristics of about a dozen common parasites t...Log In or Sign Up to Read More