Lichens

Question 1

What is a lichen?

Answer 1

a mutualism between 3 organisms.

Question 2

What are the two members of a lichen called?

Answer 2

mycobiont (fungal) and the Photobiont (photosynthetic)

Question 3

What does the mycobiont contribute?

Answer 3

1. provides structure
2. named according to which mycobiont is present.
3. mineral nutrition and water.
4. protection.

Question 4

What does the photobiont consist of?

Answer 4

green algae or cyanobacteria.

Question 5

What are the three growth species of lichens?

Answer 5

crustose, foliose, fruticose.

Question 6

What are crustose?

Answer 6

fuzzy look on surface, for example, yellow fuzz on gravestones.

Question 7

What are foliose?

Answer 7

leafy lichens w flaps at edges.

Question 8

What are fruticose?

Answer 8

“shrubby” lichens.