BIO 1106 Quiz: Exam 1 Review
Document Summary
Fungi: have cell walls, are heterotrophic- feed on organic matter produced by other organisms. Animlia: ingestive feeding heterotrophs, respond rapidly to external stimuli. Along with protists: all eukaryotes that lack distinguishing features of the other three kingdoms, live in moist habitats, simple eukaryotes (amoeba) & multicellular (brown algae, kelp) Protists share two common characteristics: abundant in moist habitats, microscopic in size. Very diverse: not well-defined or monophyletic. Share common ancestry with fungi, plants, and animals. Classify protist phyla in eukaryotic supergroups: supergroups usually contain several phyla of protists sharing common ancestry w plants, another with animal and fungal kingdoms. May be grouped according to ecological roles as algae, protozoa, funguslike. Applies to about 10 phyla of protists that are predominantly photosynthetic species. Do not form monophyletic group (not descended from one common ancestor) Benefits to world: global oxygen production, major food source for world"s ecosystems, useful chemicals, pharmaceuticals.
