Download Marine Biology Study Guide for Exam 2

Bio 115, Marine Biology
Study Guide for Exam 3
Vocabulary words and Groups you must know:
Taxonomy: Domain, Kingdom, Phylum, Class, Order, Genus, species
Vertebrates vs. invertebrates
Vertebrata: gill slits, notochord, dorsal nerve cord
Agnatha, Chondrichthyes & Osteichthyes
Demersal
Anadromous vs. catadromous
Operculum, Spiracles, Lateral line
Ampullae of lorenzini
Swim bladder
Ch. 8
Buoyancy
Caudal, dorsal, anal, pectoral and pelvic fins
homocercal vs. heterocercal
Ectothermic vs. endothermic & poikilotherms
Placoid, dentricles, cycloid, ctenoid
Ovoviviparous, oviparous, viviparous
Placenta
Tetrapods
Reptilia, Aves & Mammalia
Carapace
Pneumatized bone
Monogamous
Guano
Ch.
Blubber
Piscivores, herbivores, carnivores
Baleen
Bradychardia
Echolocation
Bends condition
Species, population, community, ecosystem
Explain and diagram in bold: Population growth, birth rates, death rates, lag phase
Linear growth, exponential growth, logistic growth, J-curve, S-curve
Environmental resistance, carrying capacity, density dependent and density independent
Competition, predation, symbiosis, mutualism, commensalisms, parasitism Competitive exclusion,
resource partitioning, marine communities
Trophic levels (producers, consumers, decomposers)
Carbon cycle, fixation, gross & net primary production, respiration (**save for next one)
Factors that affect distribution, diversity, and abundance in different habitats.
-Fouling and Intertidal communities
9
Ch. 11
Know the similarities and differences between the following groups (some key characteristics of
each phyla are included here, but not all of them…see text and notes):
Chordata
gill slits, notochord, dorsal nerve cord, post anal tail
subphylum Urochordata: sea squirts, salps, larvaceans, suspension feeders
subphylum Vertebrata: fish, birds, reptiles, mammals and amphibians
Agnatha (hagfishes & lampreys)
Chondrichthes: Rays, skates, sharks, ratfishes vs. Osteichthyes: Bony fishes
Class Reptilia
Marine Iguanas, turtles, crocodiles & snakes
Class Aves
Shorebirds, divers, predators and surface hunters
Class Mammalia
Order Pinnipedia, Order Carnivora, Family Musetlidae, Ursidae,
Order Sirenia, Family Dugongidae, Trichechidae
Order Cetacea (baleen, rorquals, toothed)
Exam Necessities:
Pencil, eraser, Scantron 882, rested and prepared minds,,,,Good luck and study hard.
Ch. 10