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Taxonomy

QuestionAnswer
Order of evolution of 3 main domains Bacteria, archaea, eukarya
Bacteria -lack a nucleus -circular DNA genome -Include cyanobacteria w/ chlorophyll & can photosynthesize
Archaea Live in harsh environments (called extremophiles for this reason) -extreme halophiles: extreme salty environment -extreme thermophiles: live in extreme heat -methanogens: anaerobes that release methane
Protists (Eukarya) 7 main amoebas, sporozoans, ciliates, slime molds, euglena, diatoms, brown algae
amoebas -unicellular -move using pseudopodia -found in soil, freshwater, and marine environments
sporozoans -animal parasities -life cycles w/ sexual and asexual parts
ciliates -move w/ cilia -EX: paramecium
slime molds -many nuclei -overgrown amoeba
euglena -unicellular algae -move w/ flagellum
diatoms -live in freshwater and marines (producers)
brown algae -multicellular, large seaweeds living in marines
Kingdom Plantae sub-categories -Nonvascular plants -ferns (vascular seedless) -conifers (vascular seed nonflowering) -angiosperms (vascular seed flowering)
nonvascular plants -live in damp areas EX: moss, liverworts, hornworts
ferns (vascular seedless) -have spores instead of seeds (can be scattered)
conifers (vascular seed nonflowering) -gymnosperms -no flower production
flowering plants (angiosperms) -MONOCOTS: single seed leaves, 3 part flower, parallel veins in leaves -DICOTS: 2 seed leaves, 4 or 5 part flower
Kingdom Fungi -eukaryotic heterotrophs -multicellular -cell wall w/ chitin -lack chloroplasts -heterotrphs
Divisions of fungi Zygomycota and Basidiomycota
Zygomycota -sexual reproduction -includes mycorrhizae: mutualistic associations between plant roots and fungi
Basidiomycota (CLUB FUNGI) 25,000 organisms -mushrooms, shelf fungi, puffballs
8 phylums in kingdom animalia sponges, coelenterates, flatworms, mollusks, segmented worms, arthropods, echinoderms, chordata
Sponges -sessile: nonmoving -traps water -marina environment
coelenterates -central, sac like digestive system -radial symmetry
flatworms -bilateral symmetry -can be parasitic or nonparasitic
mollusks -soft body. hard shell -have a foot, organ space (visceral mass), mantle (w/ shell)
segmented worms -closed circulation -excretes waste through metanephridia
arthropods -eliminate waste through malpighian tubules -largest and most diverse EX: crustaceans, insects, spiders
echinoderms -radial symmetry -exoskeletons -vascular system (water) EX: sea stars, sea urchins, and sand dollars
chordata fish, amphibians, reptiles, birds, mammals (FARBM)
fish -cartilage, sometimes bone, structures -breathe through gills
amphibians -land and water -metamorphosis -breathe through lungs or skin
reptiles -thick, scaly skin -shells to resist dehydration -cold blooded
birds -tetrapods w/ wings -lay shelled eggs
mammals endothermic -have hair -breathe through lungs
Created by: Katrina1212