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Lab Exam Review

Lab 1-5

TermDefinition
Natural selection process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution.
prokaryotes lack membrane bound organelles
oscillatoria -trichomes -snake-like body
anabaena -spiral
gleocapsa -clustered
spirogyra -common genera of filamentous green algae -grows in running streams of cool fresh water -secretes mucilage -reproduces sexually through conjugation K: plantae S: archaeplastida G: green algae ~snake-like body
euglena -lack cell wall (flexible) -motile (has flagella) -made of nutrients determined by current environment K: protista S: excavata G: euglenoids ~small beans
paramecium - free-living, freshwater genus - conjugation (stimulates metabolism) K: protista S: chromalveolata G: ciliates ~large beans
amoeba - phagocytic -some includes difflugia (shell) K:protista S: amoeboza G: amoeba
Kingdoms plantae animalia protista
Supergroups archaeplastida excavata amoeboza chromalveolata
Groups green algae euglenoids amoeba ciliates
Domains eukarya archaea bacteria
hyphae slender filament of cytoplasm nuclei enclose by a cell wall
mycelium mass of hyphae
saprobes obtain food from dead organic matter
coenocytic hyphae no cell septa (cell walls)
chytridiomycota sexual and asexual spores motile, with posterior flagella
zygomycota sexual spores are thick walled resting spores called zygospores
ascomycota spores borne internally in a sac called an ascus
Created by: user-1812645
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