Autotroph Battle
Which Autotrophs Are Most Common in Ecosystems?

Discover which autotrophs are most common and how green plants and algae support ecosystems through photosynthesis.

Autotroph Types
What Are the Main Types of Autotrophs and How Do They Produce Food?

Learn about the two primary types of autotrophs—photoautotrophs and chemoautotrophs—and their roles in ecosystems.

Autotrophic Trees
Are Trees Autotrophs? Understanding How Trees Produce Their Own Food

Discover how trees act as autotrophs by using photosynthesis to produce their own food and support ecosystems.