Vertebrate zoology Study guides, Class notes & Summaries

Why doesn't phylogenetic systematics have a fixed number of hierarchical categories like Linnaean systematics? CORRECT ANSWER it is variable, not for sure What aspect of evolution does phylogenetic systematics represent more clearly than Linnaean systematics does? CORRECT ANSWER Evolutionary history Non-amniotes CORRECT ANSWER lay eggs in water Hagfishes and lampreys: CORRECT ANSWER Myxiniformes and Petromyzontiformes (Agnathans) Sharks, rays, and ratfishes, cartilaginous fishes: CO...

How many vertebrate species are there? CORRECT ANSWER 50,000 What two things are used to examine different vertebrates? CORRECT ANSWER similarities, diversity Vertebrate CORRECT ANSWER animals with backbones (have vertebrae) Backbone CORRECT ANSWER vertebral column surrounding a spinal cord 5 General Groups of Vertebrate (Historic Classification) CORRECT ANSWER Fishes, Amphibians, Reptiles, Birds, Mammals Lower Vertebrate CORRECT ANSWER "primitive vertebrate" - fishes Higher ...

Amniotic Egg CORRECT ANSWER A shelled, water-retaining egg that enables reptiles, birds, and egg-laying mammals to complete their life cycles on dry land Fenestration CORRECT ANSWER The introduction of fenestrae (small holes in glomerular capillary walls that filter out fluid) in some amniotes Amniota CORRECT ANSWER higher vertebrates (reptiles, birds and mammals) possessing an amnion during development Basilisk Lizard CORRECT ANSWER An Amniota species that has the ability to run across...

Which statement from the list below does not apply to leptotyphloid snakes A. fossorial B. represent the ancestral fossorial condition for snakes C. small size, no more than 20cms D. do not have traces of the pelvic girdle E. live everywhere CORRECT ANSWER D. do not have traces of the pelvic girdle Which animals from the list below are Archosaurians? A. caiman B. alligator C. eagle D. tuatara E. All except D CORRECT ANSWER E. All except D From figure 1 you can conclude the f...

Which statement from the list below does not apply to leptotyphloid snakes A. fossorial B. represent the ancestral fossorial condition for snakes C. small size, no more than 20cms D. do not have traces of the pelvic girdle E. live everywhere - ANSWER D. do not have traces of the pelvic girdle Which animals from the list below are Archosaurians? A. caiman B. alligator C. eagle D. tuatara E. All except D - ANSWER E. All except D From figure 1 you can conclude the following lis...

Europium-activated barium fluorohalide is associated with CORRECT ANSWER PSP storage plates The threat of bodily harm, with apparent ability to do so, is termed CORRECT ANSWER Assault An acute reaction caused by ingestion or injection of a sensitizing agent describes CORRECT ANSWER Anaphylaxis As the CR laser scanner/reader recognizes the photostimulated luminescence (PSL) released by the PSP storage plate, it constructs a graphic representation of pixel value distribution called a CORR...

Notochord, dorsal hollow nerve cord, endostyle, postanal tail, pharyngeal pouches and slits CORRECT ANSWER 5 Characteristics of a Chordate Vertebrata, Cephalochordata, Urochordata CORRECT ANSWER 3 Subphyla of Phylum Chordata Convergent Evolution CORRECT ANSWER The older it gets, the more it resembles another species. Begin different and end similar. Divergent Evolution CORRECT ANSWER Darwin discovered that the finches were all throughout the Galapagos and they had different types of bea...

Types of adaptations: Form and function CORRECT ANSWER o Body plan o Locomotion o Gas exchange o Feeding structures o Thermoregulation o Reproduction Abiotic environmental conditions (drive the evolution and fixation of a trait in a population) CORRECT ANSWER o Space (habitat) o Water o Temperature o Light o Oxygen o Minerals Biotic environmental conditions (interactions between an animal and other organisms) CORRECT ANSWER o Food o Predators o Conspecific rivals or mates Th...

Vertebrates CORRECT ANSWER Member of the subphylum vertebrata of the phylum chordata. contain cartilaginous/bony fish, amphibians, reptiles, birds and mammals. Possess a cranium Chordates CORRECT ANSWER Contain vertebrates and Amphioxus (cephalochordata) and Tunicates (Urochordata) Possess a notochord, dorsal hollow nerve cord, pharyngeal slits, and a post anal tail vertebrae CORRECT ANSWER bony/cartilaginous casing encircling the notochord and/or nerve cord (absent in primitive fish...