How many of the following statements regarding fungi are true?
I. Asexual reproduction is common by the formation of spores.
II. Their bodies consist of hyphae that many be interconnected to form mycelium.
III. They secrete digestive enzymes onto organic matter and then absorb the products of the digestion.
IV. Fungi can break down almost any carbon containing product.
V. Fungi do not enter symbiotic relationships.