Most of the lichens consist of

Options

A. blue green algae and ascomycetes
B. green algae and ascomycetes
C. green alage and basidiomycetes
D. blue green alage and basidiomycetes

Answer

To solve the question regarding what most lichens consist of, we can follow these steps:

### Step 1: Understand what lichens are
Lichens are a symbiotic association between two different organisms: a fungus and an alga. This relationship allows them to live together and benefit from each other.

### Step 2: Identify the components of lichens
In this symbiotic relationship, the alga typically provides photosynthetic capabilities, while the fungus offers protection and structure.

### Step 3: Determine the types of algae and fungi involved
The most common types of algae found in lichens are green algae. As for the fungi, the most frequently associated fungi with lichens are from the group called Ascomycetes.

### Step 4: Analyze the options given in the question
- **Option A**: Blue-green algae and Ascomycetes
- **Option B**: Green algae and Ascomycetes
- **Option C**: Green algae and Basidiomycetes
- **Option D**: Blue-green algae and Basidiomycetes

### Step 5: Select the correct option
Since we have established that most lichens consist of green algae and Ascomycetes, the correct answer is **Option B**: Green algae and Ascomycetes.

### Final Answer
Most lichens consist of **green algae and Ascomycetes**.

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