Term
| Morphological Variationtsper |
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Definition
| Differnces in size, shape, and color |
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Definition
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Definition
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Term
| Fitness? how is it measured? |
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Definition
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Term
| How do alleles arise?? Orginal source of genetic variation |
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Definition
| Random mutation, not driven by need |
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Term
| Effects of Natural Selection |
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Definition
a. Over production of offspring
b. Competitioin of resources
c. Differnces btwn individuals
d. Indiviuals with better traits reproduce more.
e. Those traits increase frequency |
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Term
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Definition
| Most common trait changes over time in one direction. |
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Term
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Definition
| two common traits, both well adapt |
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Term
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Definition
| The most common trait becomes even more common:tha trait doesnt change |
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Term
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Definition
| random change in the frequency of traits |
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Term
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Definition
| Large numbers of individuals die, those left behind have differnt frequency of traits |
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Term
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Definition
| Small group starts new population: they have differnt frequecny of traits/ |
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Term
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Definition
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Term
| Whatevidence of evolution is present in the fossil record? |
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Definition
a. Fossils include; piecies of organisms, imprints/tracks, feces
b. older fossils in deeper layers
c. general pattern from simple to more complex. |
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Term
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Definition
| Study of geographic distribution |
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Term
| How do Homologuys structures arise? |
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Definition
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Term
| How do Analogous structures arise |
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Definition
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Term
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Definition
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Term
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Definition
habitat isolation-differnt habitat
Temporal Isolation- mate at differnt tiems
Behavioral Isolation- Differnt mating behaviors
Mechanical Isoltaion- Mating parts dont match
Gamete isolation-sperm cant peneterate egg |
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Term
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Definition
Zygote mortality- Zygote doesnt develope
Hybrid Sternility-hybrid cant reproduce. |
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Term
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Definition
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Term
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Definition
| No geogra[hical isolation |
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Term
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Definition
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Term
| Two parts of a scientifci name |
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Definition
| Genus name, Spefic Epithet |
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Term
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Definition
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Term
| How do Bacteria reproduce |
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Definition
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Term
| Shapes of Bacteria called? |
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Definition
Coccus(sphere)
Bacillus(rod)
Spirillium(spiral) |
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Term
| Structure of prokarotic cell? |
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Definition
| No nucleus, no organelles |
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Term
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Definition
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Term
| Which orgnaelles evolved by INFOLDING....evolved by endosymbiosis |
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Definition
| Endosymbiosis- Chloroplasts, mitochondria, Infolding-nuclear memebrane, ER Golgi |
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Term
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Definition
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Term
| Which group of protists gave rise to land plants |
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Definition
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Term
| Mode of nutrition for Fungi |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| What is the structure of the fungal body |
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Definition
| Filaments are Hyphae, woven together into Mycellium |
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Term
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Definition
Cuticle-Waxy coating,no dehydration
Gametangia-protects embryo
Vasuclar tissure-moves water...
Lignin- Hardens cell walls so plant can stand upright |
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Term
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Definition
Pollen-Sperm
Seed- Embryo+ food supply
Flower- Attracts pollinators
Fruit-promotes seed dispersal |
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Term
| Which phyla were first to have adaptation |
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Definition
Tissues-Cridaaria
Bilateral-Platyhelmithes
Complete digestive System- Nematoda
Psuedocoleum- Nematoda
Coelom-Annelida
Deuterostomes- Echinoderms |
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Term
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Definition
Ponifera-Sponges
Cridaris-Jellyfish, Sea anemones
Platyhelinthers-Flatworms, Planaria
Nematoda- Roundworms........ |
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Term
| Which phylum is most closely related to chordates |
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Definition
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Term
| Charteristcs of Chordates |
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Definition
| Dorsal hollow nerve cord, notochord, pharyngeal gill slits, post anal tail. |
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Term
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Definition
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Term
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Definition
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Term
| reptiles and birds have what in common? |
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Definition
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Term
| What ditingues the three groups of mammals from each other? |
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Definition
Monotemes- lay eggs
Marsupials- have a pouch
Eutherians-devolope a uterus |
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