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Biology Flashcards 3-21-11
having cells with 'good' or membrane-bound nuclei
requiring organic compounds of carbon and nitrogen for nourishment
consisting of many cells
Animals without backbones
Animals with backbones
processes and functions of an organism
organisms that cannot make their own food
an organism that obtains energy and nutrients by feeding on other organisms or their remains.
an organism that eats only plants.
an organism that eats both plants and animals.
feed on plant and animal remains
organism that takes in water to filter out the food and then releases the extra water (clam, oysters, sponge)
close interaction between species in which one species lives in or on the other
draw air into, and expel out of, the lungs
to spread or scatter freely or widely
nerve cells that detect conditions in the body's environment
(of spores or microorganisms) not capable of movement
capable of movement
reproduction involving the union or fusion of a male and a female gamete
reproduction without the fusion of gametes
Radial (circular body pattern) or bilateral symmetry (dorsal, ventral, anterior, posterior--top/bottom/head/tail)
the property of symmetry about an axis
the property of being symmetrical about a vertical plane
concentration of sensory and brain structures in the anterior end of the animal
A fluid-containing space between the digestive tract and the body wall.