Which Statement About Lichens Is False

question 42

Multiple Choice

Which statement about lichens is false?

• A) They can reproduce by fragmentation of the vegetative body.
• B) They are often the first colonists in a new area.
• C) They render their environment more basic (alkaline).
• D) They contribute to soil formation.
• E) They may contain less than 10 percent water by weight.

---

Definitions:

Protein Molecules

Large, complex molecules that play many critical roles in the body, including in the structure, function, and regulation of tissues and organs.

Antigens

Substances that the body recognizes as foreign and that can provoke an immune response.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body.

Social Readjustment Rating Scale

A scale that measures the amount of stress in one's life caused by major life changes, helping to predict the risk of stress-induced illness.