Quiz 1: Microbial Taxonomy and Fungi

The wide-spread destruction of elm trees in the United States was caused by _________.

Ceratocystis ulmi

What are the phyla studied?

Chytridiomycota, Zygomycota, Basidiomycota, and Ascomycota.

What phylum has a zygosporangium?

Zygomycota.

Organisms are classified as either a prokaryote or a eukaryote based on their _______.

cellular structure

Archaea and Eubacteria are kingdoms composed of organisms which:

do not have a membrane bound nucleus

Long hyphae that act as anchors to a surface are called ________.

stolon

Most species of the kingdom Zygomycota are called

terrestrial saprophytes

Fungi are grouped into club fungi or sac fungi according to:

the shape of their spore-producing structures.

What best describes the structure of a sporangiophore?

tiny stalk-like structures which support the sporangium.

What are the common organisms in the phylum Ascomycota?

yeast and morels.

The kingdoms which contain eukaryotes.

Animalia, Protista, Plantae, Fungi.

Fungi are classified as saprophytes when they exhibit which characteristic?

obtain food from non-living organisms.

A prokaryote has a membrane bound nucleus.

False.

What are the reasons why fungi are no longer classified as plants?

Fungi do not exhibit tissue differentiation, Fungi do not produce their own food, and Fungi cell walls are composed of chitin.

Why do chytrids differ from other fungi?

They have flagellum and they are mostly aquatic.

How do rhizoids help fungi to obtain food?

They produce enzymes which break down organic molecules into a useable form.

Multicellular fungi are composed of thread-like structures called __________.

hyphae

What common fungi are in the phylum Basidiomycota?

mushrooms, toadstools, puffballs, bracket fungi, and rust.