| A | B |
|---|
| paleontologist | scientist who studies the remains of ancient organisms |
| evolution | theory that species change over time |
| adaptation | inherited variation that increases and organism's chance of survival |
| gradualism | hypothesis that evolution occurs at a slow, constant rate |
| vestigial structures | structures that have reduce din size |
| Divergence | accumulation of differences between species |
| taxonomy | science of naming and classifying organisms |
| phylogeny | evolutionary history of a species |
| capsid | protein coat of a virus |
| lytic cycle of virus | immediate lysing of host cell |
| cocci | spherical bacteria |
| spirilla | spiral bacteria |
| baccilli | rod shaped bacteria |
| antibiotic | substance to be used as a drug to fight pathogenic bacteria |
| autoimmune | disease where immune system attacks itself and the body |
| Gram staining | staining of bacterial cell walls |
| B cells | secrete antibodies |
| lichen | symbiotic association between a fungus and a photsynthetic partner |
| pseudopods | false feet |
| eyespot | Euglena's sight |
| Slime molds | fungus-like protists |
| fungi | cells walls of chitin |
| oral groove | paramecium's mouth |
| phaephyta | brown algae |
| mycelium | body of a fungus |
| hypha | filament of a fungus |
| endomycorrhizae | mycorrhizae that enter the root of a plant |
| ectomycorrhizae | mycorrhizae that wrap around the root of a plant |
| nematocysts | stinging cells of cnidarians |
| cnidocyts | contain neamatocysts |
| gemmules | clusters of amoebocytes surrounded by coat |
| proglottids | body sections of a tapeworm |
| scolex | tapeworm holds onto the host with this |
| bilaterally symmetrical | body parts that mirror one another |
| radially symmetrical | body parts that encircle a set point |
| polyps | sea anemones are examples |
| scyophozoans | jellyfish |
| anthozoa | live as polyps |
| bivalvia | filter feeders |
| radula | tonguelike scraping organ in gastropods |
| gastropoda | stomach foot |
| cephalopoda | head foot |
| nephridia | simple kidneys in mollusks |
| malpinghian tubules | insect's excretory system |
| ommatidia | visual structure in arthropods with many lenses |
| oculi | visual structure in arthropods that see light and dark |
| telson | tail of crustaceans |
| jet propulsion | means of locomotion for cephalopods |
| cephalothorax | head-thorax attached to each other |
| notochord | replaced by spinal cord in vertebrates |
| nictitating membrane | covers amphibian eye |
| operculum | covering for gills in fish |
| tympanic membrane | ear drum |
| swim bladder | allows fish buoyancy |
| agnathans | lampreys and hagfishes |
| plastron | ventral portion of turtle |
| carapace | dorsal portion of turtle |
| yolk | food source for egg |
| kidney | excretion of wastes |
| oviparous | eggs laid |
| viviparous | live-bearing |
| marsupials | immature young travel to pouch to develop |
| cerebrum | thinking portion of brain |
| cerebellum | balancing portion of brain |
| Humans | Order vertebrata |
| 206 | number of bones in human skeleton |
