BIOL 1070 Study Guide - Final Guide: Phenotypic Plasticity, Bivalvia, Ontogeny
5 Dec 2011
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Week 2 exam notes levels in the hierarchy from broadest level (1) to the most specific (8). Phenotypic plasticity is the term used to describe plastic or variable responses by genetically identical individuals to environmental conditions. Evolution can be described as changes in the proportion of variable traits within a population over generations. Matching field observations recorded by a biologist with the terms that best describes the observation. At site 1 we found the following mussels: paper pondshell, mucket, snuffbox, fat mucket, and black sandshell. At site 2 we found only paper pondshells. __1__ at site 1 we found 40 creek heelsplitters, but at site 2 we only found 2 creek heelsplitters. At site 1, of the 4 creek heel splitters, #1 had 5 double- looped ridges, #2 had 7 double-looped ridges, #3 had 5 double-looped ridges and #4 had 8 double-looped ridges.
