Classification Flashcards
(29 cards)
Bacteria
Domain
Prokaryotic cells
unicellular
Cell wall contains peptidoglycan
Autotrophs
Archae
Domain
Prokaryotic cells
unicellular
Cell wall contains psuedopeptidoglycan
Autotrophs
Eukarya
Domain
Eukaryotic cells
Multicellular
If cell wall present - does not contain peptidoglycan
Autotrophs + heterotrophs
Animalia
Kingdom
Multicellular
Eukaryotic
No cell wall
Heterotrphic
Plantae
Kingdom
Multicellular
Eukaryotic
Cell wall contains cellulose
Autotrophic
Porifera
Phylum- eg. Sea sponges
Asymmetrical
NO organs
NO body cavity
NO nervous system
Sessile (attached to substrate as young)
Sexual or asexual reproduction
Cnidaria
Ni-dare-i-a
Phylum eg. Jellyfish
Radial symmetry
A few tissues
Gastrovascular system
NO body cavity
Simple nervous system
Stinging cells
Sexual or asexual reproduction
Platyhelminthes
Phylum eg. Flatworm
bilateral symmetry
Gastrovascular system
Tissues
NO body cavity
Flattened shape
Mollusca
Phylum eg. snails
Bilateral symmetry
Through gut
NO body cavity
Muscular foot to move around
Open circulatory system
Annelida
Phylum eg. Earthworms
Bilateral symmetry
Through gut
Body cavity
Segmented body
Tissues organs and organ systems
Closed circulatory system
Nervous system
Nematoda
Phylum eg. parasitic worms
Bilateral symmetry
Through gut
Body cavity
Tough cuticle covers body
Cylindrical
No respiratory or circulatory system
Arthropoda
Arth-ro-pode-a
Phylum eg. bees
Bilateral symmetry
Body cavity
Through gut
Hard exoskeleton
Segmented body
Jointed appendages
Echinodermata
Eck-ino-der-mata
Phylum eg. Star fish
5-ray symmetry
Body cavity
Short through gut
Thin layer of skin over exoskeleton
No head
Chordata
Phylum eg. humans
Bilateral symmetry
Through gut
Body cavity
-Dorsal hollow nerve chord
-Notochord
-Pharyngeal slits
-Post anal tail
Sub Phyla- Tunicates, vertebrata, lancelets
ALL VERTEBRATES ARE CHORDATA - NOT ALL CHORDATA ARE VERTEBRATES
Fish
Class eg. Sharks
Gills
External fertilisation
Ectothermic (don’t regulate temperature)
Amphibia
Class eg. Frogs
Lungs - gills during larval stage
External fertilisation
Moist skin permeable to gasses
Larval in water, adult on land
Ectothermic
Reptilia
Class eg. Snakes
Lungs
Internal fertilisation
Soft shelled eggs
Ectothermic
Aves
Class eg. Magpie
Lungs
Internal fertilisation
Hard shelled eggs
Feathers made of keratin
Endothermic
Mammalia
Class eg. Dogs
Lungs
Internal fertilisation
Feed young with milk from mammary glands
Fur or hair made of keratin
Endothermic
Protheria -> Monotrmes
Subclass eg. Platypus
lays eggs
Metatheria -> Marsupials
Sub class eg. koala
Pouch where young develop
Eutheria -> Placentals
Sub class eg. Humans
Young are nourished by placenta in uterus fro extended period of time
Plantae
Kingdom eg. Apple tree
Eukaryotic
Cell wall made of cellulose
Multicellular
Autotrophic
Bryophytes
Bry-o-fite (s)
Phylum eg. Moss
Non vascular
NO vascular tissue
NO roots or stems
Osmosis (diffusion of water)
Spores + rely on water for reproduction
Attach to substrates with rhizoids
Little and low growing
