http://www.backyardnature.net/snakadap.htm

http://www.nhptv.org/NatureWorks/porcupine.htm

http://www.nhptv.org/NatureWorks/chipmunk.htm

http://www.nhptv.org/NatureWorks/arcticfox.htm

http://www.nhptv.org/NatureWorks/opossum.htm

http://www.nhptv.org/NatureWorks/beaver.htm

http://www.panda.org/news_facts/education/middle_school/habitats/

http://www.naturegrid.org.uk/pondexplorer/pond-cross.html

http://www.esldesk.com/quiz/pronouns-quiz.aspx

http://www.ucl.ac.uk/internet-grammar/nouns/ex3.htm

http://www.llas.ac.uk/materialsbank/mb061/4.4/35.htm

http://www.gould.edu.au/foodwebs/kids_web.htm