investigate flora and fauna in field investigations and apply classification systems. BIO.7 The student will investigate and understand how populations change In order to meet this standard, it is expected that through time. Key concepts include students will evidence found in fossil determine the relative age of a fossil records; given information about its position in the how genetic variation, rock and absolute dating by radioactive reproductive strategies, decay. and environmental differentiate between relative and pressures impact the absolute dating based on fossils in survival of populations; biological evolution. how natural selection recognize that adaptations may occur in leads to adaptations; populations of organisms over a period of emergence of new time. species; and scientific evidence and describe the impact of reproductive explanations for strategies and rates on a population’s survival. biological evolution. describe how genetic variation can lead to gradual changes in populations and the emergence of new species over time. predict the impact of environmental pressures on populations. explain how natural selection leads to changes in gene frequency in a population over time. compare and contrast punctuated equilibrium with gradual change over time.
BIO.7 The student will investigate and understand how populations change through time. Key concepts include evidence found in fossil records; how genetic variation, reproductive strategies, and environmental pressures impact the survival of populations; how natural selection leads to adaptations; emergence of new species; and scientific evidence and explanations for biological evolution. investigate flora and fauna in field investigations and apply classification systems. In order to meet this standard, it is expected that students will determine the relative age of a fossil given information about its position in the rock and absolute dating by radioactive decay. differentiate between relative and absolute dating based on fossils in biological evolution. recognize that adaptations may occur in populations of organisms over a period of time. describe the impact of reproductive strategies and rates on a population’s survival. describe how genetic variation can lead to gradual changes in populations and the emergence of new species over time. predict the impact of environmental pressures on populations. explain how natural selection leads to changes in gene frequency in a population over time. compare and contrast punctuated equilibrium with gradual change over time.