Soft Schools
Soft Schools: Ecology Quiz
Take this interactive, multiple-choice quiz over concepts in ecology, then review your score and any missed questions at the end.
CK-12 Foundation
Ck 12: Life Science: Photosynthesis
[Free Registration/Login may be required to access all resource tools.] Plants are producers, which means they are able to make their own food, as well as "food" for other organisms. Plants are also autotrophs - they collect energy from...
Sophia Learning
Sophia: Animals
This lesson will provide the characteristics of the kingdom Animalia.
Sophia Learning
Sophia: Autotrophs vs. Heterotrophs: Lesson 3
This lesson will review the difference between autotrophs and heterotrophs, and show how both play important roles in a food web. It is 3 of 4 in the series titled "Autotrophs vs. Heterotrophs."
Sophia Learning
Sophia: Producers and Consumers: Lesson 2
This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 2 of 4 in the series titled "Producers and Consumers."