Lichens
- 1.Lichens are assigned to a taxonomic group
- A.
True
- B.
False
- 2.Lichens are a relationship between an "algae" and a "fungus". The "algae" is usually a green algae or cyanobacteria
- A.
True
- B.
False
- 3.The algae provides ______?
- A.
Food
- B.
Water
- C.
Protection
- 4.Fungus provides ______ ?
- A.
Food
- B.
Water
- C.
Protection
- 5.Identification is usually based on the _____?
- A.
Fungus
- B.
Algae
- 6.Lichens are not sensitive to sulfur dioxide
- A.
True
- B.
False
- 7.The "algae" and the fungi are associated together in what is called a spongy thallus
- A.
True
- B.
False
- 8.Crustose lichens....
- A.
Look like miniature shrubs and are usually branched
- B.
Attached to or embedded in the substrate over the entire lower surface
- C.
They often form brightly colored patches on bare rocks and tree bark
- D.
Weakly attached to the substrate
- E.
The thalli are somewhat leaflike
- F.
Attached to the substrate at one point
- 9.Foliose lichens...
- A.
Weakly attached to the substrate
- B.
Attached to in the substrate over the entire lower surface
- C.
Looks like miniature shrubs and are usually branched
- D.
The thalli are somewhat leaflike
- E.
Form brightly colored patches on bare rocks and tree bark
- F.
Attached to the substrate at one point
- 10.Fruitcose lichens...
- A.
Attached in the substrate over the entire lower surface
- B.
Often form brightly colored patches on bare rocks and tree bark
- C.
The thalli are somewhat leaflike
- D.
Weakly attached to the substrate
- E.
Looks like miniature shrubs and are usually branched
- F.
Attached to the substrate at one point
- 11.Which lichen is used by model railroad builders and is usually fed on by Caribou and Reindeer
- A.
Crustose
- B.
Foliose
- C.
Fruticose
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