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The five main
groups of
animals...…read more

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Fish: Amphibians: Reptiles: Birds: Mammals:
O2 and CO2 are O2 and CO2 are O2 and CO2 are O2 and CO2 are O2 and CO2 are
exchanged exchanged exchanged exchanged exchanged
across gills across moist, across lungs across lungs across lungs
Oviparous permeable skin Oviparous Oviparous Viviparous
Poikilotherm Oviparous Poikilotherms Homeotherm Homeotherm
Key Terms:
Oviparous: producing young by eggs which hatch after they have been laid by the parent
Viviparous: giving birth to live young which have developed inside the body of the parent.
Poikilotherm: an organism that cannot regulate its body temperature
Homeotherm: an organism that maintains its body temperature at a constant level…read more

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Five Kingdoms...........
Animalia: Plantae: Fungi: Protoctista: Prokaryote:
Multicellular Multicellular Usually Unicellular Unicellular
Cells have no Cells have multicellular (seaweed is an Includes bacteria
chlorophyll or cell chlorophyll and a Cells have no exception) No (distinct)
wall cell wall made of chlorophyll but Cells contain a nucleus
Feeds cellulose have a cell wall distinct nucleus
heterotrophically Feeds not made of Examples:
autotrophically -> cellulose Examples: Bacteria and
Examples: fish, photosynthesis Feeds Amoeba and blue-green
amphibians, saprophytically paramecium. algae.
reptiles, birds Examples:
and mammals All green plants Examples:
such as algae Moulds,
and ferns. mushrooms and
yeast.…read more

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Key Terms:
Multicellular: having or consisting many cells
Unicellular: consisting of one cell
Autotrophic: An organism capable of synthesizing its own food from inorganic
substances using light or chemical energy.
Heterotrophic: An organism that cannot manufacture its own food and instead
obtains its food and energy by taking in organic substances
Saprophytic: An organism, especially a fungus or bacterium, that lives on and
gets its nourishment from dead organisms or decaying organic material.…read more

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How it is classified...…read more

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