Which types of organisms make up a lichen? How does each...

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Fungal Partner

In lichens, the fungal partner, also known as the mycobiont, forms the main body of the lichen. This fungus provides the lichen its structure and protection, creating a physical matrix that houses the photosynthetic cells. The fungus benefits by receiving organic carbon compounds produced by its partner through photosynthesis, which are essential for its energy needs and growth.

Photosynthetic Partner

The photosynthetic partner, which can be either an alga or a cyanobacterium, is responsible for producing organic compounds via photosynthesis. This partner converts sunlight into sugars and other nutrients, which are utilized by both itself and the fungal partner. In return, it receives a protected environment and access to water and minerals that the fungus helps retain.

Mutualistic Symbiosis

Lichens exemplify mutualistic symbiosis, where both the fungal and photosynthetic partners provide mutual benefits that enhance their survival. This interdependent relationship allows each partner to thrive in environments where neither could survive effectively on its own, illustrating a key ecological strategy for coping with harsh conditions.

Please give Ace some feedback