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chapter 18
sponges and jelly fish
14
Biology
10th Grade
11/04/2008

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Term
Taxonomy
Definition

discipline of classifying organisms and assinging each organism a universal accepted name

Term
Binomial nomenclature
Definition
two-word naming system, two part scientific name
Term
Seven levals of taxon
Definition

kingdom

Phylum

class

order

family

genus

spiecies

Term
Six kingdoms
Definition

Eubacteria

Archaebacteria

Protista

Fungi

Plantae

Animalia

Term
Animal Kingdom
Definition
multicellular, eukaryotic heterotrophs whose cells lack cell walls.
Term

Invertabre

vertebrates

Definition

95%- Invertebrates

5% Vertebrates

Term

sponges

Definition
multicellular, heterotrophic, no cell walls, contain few specialized cells, assymetricle
Term

chanocytes

Definition
cells that move water through sponge
Term
Spicule
Definition
spike- shaped structure for support and protection
Term
Archeaocyte
Definition
cells that make spicules
Term
Feeding- filter feeders
Definition

Intercelular digestion

Respiration/circulation/ Excretion- movement of water through bodies (diffusion)

Term
Response
Definition

NO NERVous system

some produce toxins

Term
Reproduction
Definition

sexuall or asexual

Sexually- Both egg and sperm, but at differnent times\

internal fertilization

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