Biology Flashcards 3-21-11

26 terms by bulldoglacrosse19

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Eukaryotic

having cells with 'good' or membrane-bound nuclei

heterotrophic

requiring organic compounds of carbon and nitrogen for nourishment

Multicellular

consisting of many cells

Invertebrates

Animals without backbones

Vertebrates

Animals with backbones

physiology

processes and functions of an organism

heterotrophs

organisms that cannot make their own food

consumers

an organism that obtains energy and nutrients by feeding on other organisms or their remains.

carnivores

Meat Eaters

herbivores

an organism that eats only plants.

omnivores

an organism that eats both plants and animals.

detrivores

feed on plant and animal remains

filter feeders

organism that takes in water to filter out the food and then releases the extra water (clam, oysters, sponge)

symbiotic relationship

close interaction between species in which one species lives in or on the other

respire

draw air into, and expel out of, the lungs

diffuse

to spread or scatter freely or widely

receptors

nerve cells that detect conditions in the body's environment

non-motile

(of spores or microorganisms) not capable of movement

motile

capable of movement

sexual reproduction

reproduction involving the union or fusion of a male and a female gamete

asexual reproduction

reproduction without the fusion of gametes

body symmetry

Radial (circular body pattern) or bilateral symmetry (dorsal, ventral, anterior, posterior--top/bottom/head/tail)

radial symmetry

the property of symmetry about an axis

bilateral symmetry

the property of being symmetrical about a vertical plane

cephilization

concentration of sensory and brain structures in the anterior end of the animal

body cavity

A fluid-containing space between the digestive tract and the body wall.

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