#Question id: 11326
#Unit 10. Ecological Principles
This soil horizon is characterized as rich in humus and consists of partly decomposed organic material mixed with mineral soil.
#Question id: 11327
#Unit 10. Ecological Principles
What do podzolized and laterized soils have in common?
#Question id: 11328
#Unit 10. Ecological Principles
The __________ zone is the shallow area around the edge of a lake or pond with rooted vegetation, such as water lilies and pickerelweed.
#Question id: 11329
#Unit 10. Ecological Principles
Which of the following aquatic systems is like a tropical rain forest because of its richness of biological production and diversity of inhabitants?
#Question id: 12426
#Unit 10. Ecological Principles
#Question id: 12427
#Unit 10. Ecological Principles