1.) Complex multicellular fruiting bodies (reproductive structures) occur in some Ascomycete fungi and some Basidiomycete fungi. Describe 3 possible explanations for this pattern of expression of fruiting bodies. (6 pts)

a) The fruiting bodies are affected by environmental conditions. The proportion of nutrients govern the shape and size of these bodies. As these nutrients are not always in the same concentration, the morphology of these bodies differ, hence the complexity.

b) The morphology of fruiting bodies are largely dependent on the species in which they are formed. Different species produce different shaped fruiting bodies. In fact, these structures are usually studied to identify a particular species of fungi.

c) The spores are made by meiosis, which aids complex multicellular fruiting bodies in the two fungi. The spores would be unique because of their different recombination during meiosis.

Explanation:

It is imperative to know that fruiting bodies of fungi contains many small cellular spores that are produced by meiosis and hence are present as tetrads. The complex morphology of these fruiting bodies are result of many different factors both external and internal.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

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