What do you understand by terms lignocolous and corticolous?

Explanation

### Step-by-Step Solution:

1. **Understanding Lichens**:
- Lichens are a symbiotic association between algae and fungi. This means that both organisms benefit from each other. The fungi provide shelter and protection to the algae, while the algae perform photosynthesis to produce food, which is shared with the fungi.

2. **Defining Lignocolous**:
- The term "lignocolous" refers to lichens that specifically grow on wood. These lichens thrive on the surface of wooden substrates, utilizing the wood as their habitat.

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