Lichen: Nature's Symbiotic Wonders

Lichen is a fascinating organism found in moist areas, often overlooked compared to larger creatures. It is a symbiotic relationship between fungus and algae, where the fungus provides structure and the algae performs photosynthesis to produce food. Lichen can be found in various colors and forms, such as leafy, teacup-like, or crusty. It plays a crucial ecological role by providing habitats for small creatures and indicating clean air. Lichen grows slowly and is sensitive to environmental changes, making it an important part of natural ecosystems.

What is lichen primarily composed of?

• Only bacteria

• Only algae

• A single type of fungus

• A combination of fungus and algae

Where is lichen most likely to be found?

• In dry deserts

• Inside caves

• On the surface of the ocean

• In moist areas like rocks and trees

What is the role of algae in the lichen symbiosis?

• Protecting from predators

• Absorbing water from the environment

• Producing food through photosynthesis

• Providing structural support

How does the fungus benefit from its relationship with algae?

• It gets a steady supply of food

• It gains the ability to photosynthesize

• It receives structural support

• It becomes resistant to diseases

Which of the following is NOT a type of lichen?

• Crust lichen

• Teacup lichen

• Spiky lichen

• Leafy lichen

What determines the color of lichen?

• The amount of sunlight it receives

• The type of fungus and algae involved

• The type of soil it grows on

• The temperature of the environment

Why should you avoid stepping on lichen during a hike?

• It is poisonous

• It can cause allergies

• It grows very slowly and is delicate

• It attracts dangerous insects

What role does lichen play in the ecosystem?

• It provides shelter for small critters

• It produces oxygen

• It is a primary food source for large animals

• It cleans the soil

Where is lichen most likely to thrive?

• In polluted environments

• In urban areas

• Near highways

• In natural areas with clean air

What is a fun fact about lichen related to air quality?

• It changes color based on air quality

• It usually grows where the air is fresh and clean

• It only grows in polluted areas

• It can grow in any air condition