5 Steps to a 5 AP Biology, 2014-2015 Edition

142 ❯ STEP 4. Review the Knowledge You Need to Score High When humans become the agents of natural selection, we describe the pr ...

Evolution ❮ 143 Speciation Aspeciesis a group of interbreeding (or potentially interbreeding) organisms. Speciation, the process ...

144 ❯ STEP 4. Review the Knowledge You Need to Score High When Evolution Is Not Occurring: Hardy-Weinberg Equilibrium Evolutiona ...

Evolution ❮ 145 the two alleles? Remember that it is not 0.16 and 0.84 because there are also the heterozy- gotes to consider! I ...

146 ❯ STEP 4. Review the Knowledge You Need to Score High deduce phylogenetic relationships. By the end of the nineteenth centur ...

Evolution ❮ 147 stasis (no change) (see comparison in Figure 12.3). Because the fossil record is incomplete, it is very hard to ...

148 ❯ STEP 4. Review the Knowledge You Need to Score High STEP DESCRIPTION The earth’s atmosphere formed. Emerging from volcanoe ...

Evolution ❮ 149 Why is it important that there was no oxygen to start? Alexander Oparin and J. B. S. Haldane hypothesized that o ...

150 ❯ STEP 4. Review the Knowledge You Need to Score High Why do we assume that oxygen was not present in the original atmosphe ...

Evolution ❮ 151 ❯ Rapid Review There are four modes of evolution: Genetic drift:change in allele frequencies because of chance ...

152 ❯ STEP 4. Review the Knowledge You Need to Score High Sources of variation within populationsare Mutation:random changes in ...

❮ 153 Taxonomy and Classification IN THIS CHAPTER Summary:This chapter discusses Linnaeus’s binomial system of classification an ...

154 ❯ STEP 4. Review the Knowledge You Need to Score High Taxonomyis the field of biology that classifies organisms according to ...

Taxonomy and Classification ❮ 155 Reactivity with Oxygen A second way to classify moneran organisms is by their ability to react ...

156 ❯ STEP 4. Review the Knowledge You Need to Score High We can see why scientists examining these two organelles would think t ...

Taxonomy and Classification ❮ 157 Apicomplexa.These parasitesare the protists formerly known as sporozoans. They spread from pl ...

158 ❯ STEP 4. Review the Knowledge You Need to Score High lichenconglomerate. Most have both asexual andsexual reproductive stag ...

Taxonomy and Classification ❮ 159 early land plants was the need to find a way to distribute water and nutrients throughout the ...

160 ❯ STEP 4. Review the Knowledge You Need to Score High What are flowers, really? Are they just another visually pleasing stru ...

Taxonomy and Classification ❮ 161 Kingdom Animalia Animals are the final kingdom to be discussed in this chapter. There are some ...