Food Chains Autotrophs and Heterotrophs

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=3_Y4qpivjB8

A food chain has several trophic levels (feeding levels). We call the first trophic level organisms (commonly plants) producers and the other trophic level o...

Autotroph, Heterotroph, Food Chain, Ecology (Media Genre), biology, trophic levels, producers, consumers, decomposers, science, energy, photosynthesis, aerobic respiration, fermentation, High School (School Category), teacher, student, Lesson, Education, Lessons, Learn, Free, Teachers, Tutorial, Students
#############################