Binghamton bio 114 - Study guides, Class notes & Summaries

adventituous root - emerges from the stem right above the ground to help support plants in shallow soils allopatric speciation - occurs when subpopulations are separated by some physical barrier. The two subpopulations remain reproductively isolated (no gene flow) and, over time, diverge from each other Angiosperms - Vascular plants with fruit-covered seeds The fruit increases the protection and dispersal of seeds; the largest number of species of all plants. 1. Flower: a major innovation...

Taxonomic hierarchy - a system of classifying and naming species for the purpose of understanding and establishing relatedness between species or larger groupings Kingdom Phylum Class Order Family Genus Species What words are used to name the individual type of organism? - Genus and Species Super and Sub prefixes - used to further describe refinement of groupings above and below a certain level 3 criteria for designating species: Boys Make Pasta - biological, morphological, phylogen...

___ are aquatic producers that create silica shells - Diatoms ___ are pathogenic protists that can cause large skin lesions. - Leishmania ___ are producers that are responsible for half of the C fixation in marine environments. - diatom ___ are thought to be the first organisms to evolve oxygenic photosynthesis - Cyanobacteria 2 specific examples you could provide to convince your friend that these organisms are relevant and/or interesting - ecological impact and use for medical research A...

Genetic Drift - the constant changing of allele frequencies (that percentage of all alleles any one, or more, allele occupies in a population) in a population over time, due to random mating. Random Mating - has the effect of changing how frequently an allele is found in a population. GENETIC DRIFT IS RANDOM, ALWAYS DRIFTING UP AND DOWN bottlenecks - where a gene pool is significantly reduced for some reason and a relatively small allele diversity remains. Founder event/effect - a cha...

Alternation of generations - Cycle has BOTH multicellular haploid & multicellular diploid forms Are the most visible life stages of the land plant groups sporophytes (2n) or gametophytes (n)? - All are sporophyte except nonvascular is gametophyte Changing-environment hypothesis - offspring that are genetic clones of their parents are unlikely to thrive if the environment changes Crossing over - homologous chromosomes exchange genetic information Diploid dominant life cycle - Similar to ani...

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Binghamton Bio 114 exam 2 with complete solutions