Bio Midterm Notes PDF

Summary

These notes cover various concepts in biology, including evolution, taxonomy, and speciation. They outline key scientific discoveries, domains of life, phylogenetic trees, and reproductive isolation. This is a good resource for reviewing before a biology midterm exam.

Full Transcript

Explain key scientific discoveries and how they allowed Darwin to develop the theory of evolution. List the three domains of life. Explain the key ideas and/or contributions that Linnaeus, Cuvier, Lamarck, made to our understanding of biodiversity. Outline the three tenets of Larmark’s theory of i...

Explain key scientific discoveries and how they allowed Darwin to develop the theory of evolution. List the three domains of life. Explain the key ideas and/or contributions that Linnaeus, Cuvier, Lamarck, made to our understanding of biodiversity. Outline the three tenets of Larmark’s theory of inheritance of acquired characteristics. Compare Lamarckian and Darwinian theories. Explain why Thomas Malthus theory is important in understanding why limited resources impact populations. Explain how taxonomy and phylogenetics are related to the area of systematics. Evaluate phylogenetic trees. Identify clades, common ancestors and closest relatives. Compare phylogenetic trees to see how relationships are the same/different. List the kinds of evidence used to make phylogenetic trees. Be able to build a phylogenetic tree using shared morphological characteristics. Be able to explain shared characteristics between organisms on a phylogenetic tree. Outline the difference between an ingroup and an outgroup. Outline the mode of reproduction in bacteria. Provide example of asexual reproduction in eukaryotes. Explain how DNA can be transferred between bacteria. Explain (basics) of how meiosis can generate more variation within a population. Explain how variations in alleles are related to the gene pool. Explain the different mechanisms of microevolution. Outline what is the difference between genetic drift and the founder effect. Explain how gene flow impacts the gene pool of two adjacent populations. Discriminate between stabilizing, directional and disruptive selection. Identify prezygotic and postzygotic mechanisms of reproductive isolation. Be able to describe and distinguish between allopatric and sympatric modes of speciation. Outline two ways that sympatric speciation could take place.

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