Multiple choice

Which property of lichens is due to usmic acid?

  1. Shape of lichens

  2. Colour of lichens

  3. Longevity of lichens

  4. Adaptability of lichens

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Special pigments give lichens a variety of colours, including red, orange, yellow and brown, especially in exposed, dry habitats.