Animals/Groups
characterized by a muscular foot, a visceral hump, and a mantle
mollusks
power plants (house for Malachi) of the cell
mitochondria
process by which old, worn-out cells self-destruct
apoptosis
precious stone formed by an oyster in reaction to an irritating particle
pearl
all living things are composed of cells and cell products and that all cells come from preexisting cells
cell theory
planarians, flukes, tapeworms
flatworms
lives in colonies and forms vast reefs of limestone
coral
bristles on an earthworm
setae
rigid, box-like structure that is outside the cell membrane and provides support and protection
cell wall
process when a cell engulfs a solid particle by surrounding it with the cell membrane
phagocytosis
outer, skin-like covering of a mollusk that secretes the shell
mantle
master program of a cell is encoded in molecules of
DNA
clams, oysters, scallops
bivalves
only cephalopod with an external shell
nautilus
includes snails, slugs, conchs, and nudibranchs
gastropods
microtubule-organizing center of a cell
centrosome
the stage of the cell cycle between cell divisions
interphase
jellyfish, sea anemones, and hydras
coelenterates
distinct region within the nucleus that manufactures ribosomes
nucleolus
earthworms, sea worms, and leeches
segmented worms
protozoan that uses pseudopods to move and engulf prey
amoeba
characterized by spicules, incurrent pores, an osculum, and no nervous system
sponges
working area of a cell, consisting of the entire interior except the nucleus
cytoplasm
process through which living cells produce energy by combining food with oxygen
cellular respiration
sessile protozoa
sporozoans
stack of flattened, membrane-enclosed compartments that is the shipping center of the cell
Golgi apparatus
free-swimming, umbrella-shaped form of a coelenterate
medusa
hookworms, filaria worms, and Ascaris worms
roundworms
characterized by spiny skin and radial symmetry
echinoderms
make up the cell membrane
phospholipids
special phosphate molecule that serves as the primary energy carrier of the cell
ATP
belt-like or file-like scraping organ in the mouth of a snail or slug
radula
large, movable, whip-like tail that extends from a cell and allows it to move
flagellum
protozoan that possesses a flagellum, chloroplasts, and an eyespot
euglena
protozoan that appears slipper-shaped under a microscope
paramecium
only animals with a water vascular system
facilitated diffusion or simple diffusion
passive transport
protein manufacture
rough ER
microscopic, multicellular invertebrates named for the rotating appearance of the cilia on their front ends
rotifers
hollow, rod-like girders in the skeleton of a cell
microtubules
euglenas, amoebas, and paramecia
protozoa
coiled excretory tubes of an earthworm
nephridia