Ecosystem functions of fungi

Question 1

Why are fungi such important decomposers?

Answer 1

Breakdown organic matter and recycle nutrients back into the system for use by other organisms

Question 2

When is a fungal infection of a plant not a cause of stress for the plant?

Answer 2

When fungi infect the roots - helps plants absorb more water than it would without fungus

Question 3

What role does the fungus play in a lichen?

Answer 3

The fungus in a lichen provides structure, protection, and access to water and nutrients, helping the photosynthetic partner thrive.

Question 4

What are two functions that lichens have in their ecosystems?

Answer 4

1. Creates nutrients from rocks > creates soil
2. Can grow in difficult habitats where plants don’t grow well and the base of the food web

Question 5

What kinds of fungi are eaten as food?

Answer 5

Mushrooms ! Mold to ripen cheese

Question 6

In what ways do we use yeast in food/beverage production?

Answer 6

fermentation: yeast
glucose → ATP + CO2 + alcohol

• capture alcohol → dispose of yeast and CO2
• bread → capture CO2 → dispose of alcohol

Question 7

Why do fungi produce antbiotics?

Answer 7

To reduce competition for resources

Question 8

Why is it important to understand how a fungus, like the red bread mold grows?

Answer 8

Helps prevent spoilage, treating infections, supporting ecosystems, and improving agricultural practices.