Taxonomy Flashcards by Katherine Appel | Brainscape

Q

Extremophiles

A

Organisms that live in extreme environments

Domain Archaea

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Q

List the 3 Domains

A

Bacteria

Archaea

Eukarya

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Q

Domain Bacteria

A

Single celled prokaryotes

Autotrophic or heterotrophic

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Q

Conjugation

A

primitive form of sexual reproduction carried out by some bacteria

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Q

Domain Archaea

A

Extremophiles

Unicellular

Prokaryotic

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Q

Methanogens

A

Produce methane from hydrogen

An extremophile

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Q

Halophiles

A

High salt concentrations

Extremophile

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Q

Thermophiles

A

thrive in high temperatures

extremophile

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Q

Four kingdoms of the domain Eukarya

A

Protista

Fungi

Plantae

Animalia

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Q

Kingdom Protista

A

Widest variety

Eukaryotes

Heterotrophs and autotrophs

Move by various means

Ex: Amoeba and Euglenas, seaweeds, slime molds

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Q

Kingdom Fungi

A

Heterotrophic eukaryotes

Uni or multi cellular

Extracellular digestion

Saprobes

Sexual reproduction

CHITIN makes cell wall

Ex: Lichens, yeast, mold, mushrooms

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Q

Saprobes

A

Organisms that obtain food from decaying matter

Fungis

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Q

Kingdom Plantae

A

Autotrophic eukaryotes

Photosynthesis

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Q

Kingdom Animalia

A

Multicellular, heterotrophic eukaryotes

Sexually

Ex: Humans

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Q

Sponges

A

Loose federation of cells

Not considered tissue because too unspecialized

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Q

Cnidarian

A

Hydra and jellyfish

Polyp or medusa body shape

All have stingers

Q

Germ layers

A

The main layers that form various tissues and organs of the body

Q

Ectoderm

A

Outermost germ layer

Becomes the skin and nervous system

Q

Endoderm

A

Deep Germ layer

Becomes the digestive system

Q

Mesoderm

A

Middle germ layer

Becomes the blood muscles and bones

Q

Radial symmetry

A

primitive animals exhibit

Q

Bilateral symmetry

A

sophisticated animals exhibit

Q

Acoelomates

A

like earthworms with a flat body cavity

Q

Pseudocoelomates

A

like roundworms, they have a fluid filled tube that acts as a hydroskeleton

Q

Coelomates

A

most complex body cavity

has a coelom

Q

Porifera

A

Sponges

Sessile (do not move)

no symmetry

Q

Platyhelminthes

A

Flatworms

Simplest animals

Exchange nutrients through diffusion

Q

Nematodes

A

Roundworms

Parasitic

Q

Annelids

A

Earthworms, leeches

Q

Mollusks

A

Squids, octopuses, slugs, clams, and snails

Soft body with hard shell

Bilaterial symmtry

Q

Anthropods

A

Grasshopper, crustacea, arachnida (spider)

Have head, thorax, and appendage

Q

Echinoderms

A

Sea stars and sea urchins

Sessile (cant move) or slow

Endoskeleton

Q

Chordates

A

Fish, amphibians, reptiles, birds, mammals

Notochord (rod that is a flexible axis)

Q

Homeotherms

A

Maintain a constant body temperature

Ex: birds and mammals

Q

Endotherms

A

Can raise their body temperature from within

Ex: birds, mammals

Q

Ectotherms

A

Cold blooded

Ex: reptiles and most fish

Q

Chordata

A

The phylum that mammals belong to

Q

Primate

A

Monkeys, apes, humans

that Lucy video we watched

Q

CHITIN

A

Makes fungi cell wall