3. Living organisms depend on one another and on their environment for survival. As a basis for understanding this concept:
a. Students know ecosystems can be characterized by their living and nonliving components.
Source: (2009, June 11). Retrieved November 16, 2015, from http://www.cde.ca.gov/be/st/ss/documents/sciencestnd.pdf#search=fourth grade science&view=FitH&pagemode=none
Source: Quizlet QWait('dom',function(){document.getElementById('PrintLogo').setAttribute('src',"https://quizlet.com/a/i/global/logo_print.du83.png")});. (2015). Retrieved November 16, 2015, from https://quizlet.com/770655/4th-grade-unit-1-science-ecology-flash-cards/, Russell. (n.d.). Life & Living. Retrieved November 16, 2015, from http://www.mrsrussellsclassroom.com/life--living.html
What is an ecosystem?
Source: Ecosystems. (2015). Retrieved November 15, 2015, from http://studyjams.scholastic.com/studyjams/jams /science/ecosystems/ecosystems.htm
Source: Stanley. (2002, May 20). Types of Ecosystems. Retrieved November 16, 2015, from http://chsweb.lr.k12.nj.us/mstanley/outlines/ecology/ecotypes/ecotypes.htm
Source: Desert Ecosystem. (n.d.). Retrieved November 16, 2015, from http://www.buzzle.com/articles/desert-ecosystem.html, KDE Santa Barbara. (n.d.). Retrieved November 16, 2015, from http://kids.nceas.ucsb.edu/biomes/marine.html, KDE Santa Barbara. (2004). Retrieved November 16, 2015, from http://kids.nceas.ucsb.edu/biomes/rainforest.html
How are you a part of an ecosystem?
