Fungi: Death Becomes Them - CrashCourse Biology #39

What process did Louis Pasteur discover that involves yeast breaking down sugars in grains?

• Photosynthesis

• Pasteurization

• Fermentation

• Respiration

What is considered the most vital function of fungi in the global food web?

• Producing hallucinogenic compounds.

• Causing diseases in plants and animals.

• Decomposing organic matter and recycling nutrients.

• Providing ingredients for beer and bread.

What is a key characteristic that distinguishes fungi from plants?

• They are multicellular.

• They absorb nutrients from their surroundings.

• They have cell walls made of cellulose.

• They can cause diseases in humans.

What is the name for the tiny, tubular filaments that make up the networks of multicellular fungi?

• Mycelium

• Chitin

• Hyphae

• Spores

What is the primary role of decomposer fungi in an ecosystem?

• Producing oxygen for other organisms.

• Breaking down dead organic matter into nutrients.

• Capturing living prey for food.

• Forming beneficial relationships with plant roots.

How do mycorrhizae benefit plants?

• They protect plants from predators.

• They help plants absorb nutrients like phosphates more efficiently.

• They convert sunlight into energy for the plants.

• They provide structural support to plant stems.

What unique ability does the Ophiocordyceps fungus have?

• It can photosynthesize like a plant.

• It can control the behavior of its ant host.

• It breaks down dead wood into simple sugars.

• It forms beneficial relationships with plant roots.

What product is created when Saccharomyces cerevisiae (yeast) converts sugars?

• Oxygen

• Lignin

• Alcohol

• Phosphates