Multiple choice Which of the following statements does NOT characterise lichens? A lichen is a composite organism. The fungal partner protects the alga. The fungus is called a mycobiont. A lichen is made up of a simple photosynthesising organism. Lichens come in many colours. Reveal answer Fill a bubble to check yourself B Correct answer Explanation The algal partner protects the fungal partner by retaining water, serving as a larger capture area for mineral nutrients and in some cases, provides minerals obtained from the substrate.