Text #1: Invasive species in the Galapagos http://www. wired. com/2014/06/the-infinite-struggle-a gainst-invasive-species-in-the-gala pagos/

Higher Order Thinking Questions:
1. Using the text explain how a parasitic invasive species could affect multiple different species in an environment.
2 Explain how invasive species and human activity can affect the amount of biodiversity of a given area.
3. Describe the financial aspect of trying to eliminate an invasive species from the Galapagos.

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.