Life Sciences - Evolution: Survival of the Fittest

Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
Life Sciences - Evolution: Survival of the Fittest
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(3 MB)
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Standards
NGSSHS-LS4-4
NGSSHS-LS4-3
NGSSHS-LS4-1
NGSSHS-LS4-2
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This unit covers evolution, natural selection, and the factors that lead to changes in populations.

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NGSSHS-LS4-4
Construct an explanation based on evidence for how natural selection leads to adaptation of populations. Emphasis is on using data to provide evidence for how specific biotic and abiotic differences in ecosystems (such as ranges of seasonal temperature, long-term climate change, acidity, light, geographic barriers, or evolution of other organisms) contribute to a change in gene frequency over time, leading to adaptation of populations.
NGSSHS-LS4-3
Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait. Emphasis is on analyzing shifts in numerical distribution of traits and using these shifts as evidence to support explanations. Assessment is limited to basic statistical and graphical analysis. Assessment does not include allele frequency calculations.
NGSSHS-LS4-1
Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence. Emphasis is on a conceptual understanding of the role each line of evidence has relating to common ancestry and biological evolution. Examples of evidence could include similarities in DNA sequences, anatomical structures, and order of appearance of structures in embryological development.
NGSSHS-LS4-2
Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited resources, and (4) the proliferation of those organisms that are better able to survive and reproduce in the environment. Emphasis is on using evidence to explain the influence each of the four factors has on number of organisms, behaviors, morphology, or physiology in terms of ability to compete for limited resources and subsequent survival of individuals and adaptation of species. Examples of evidence could include mathematical models such as simple distribution graphs and proportional reasoning. Assessment does not include other mechanisms of evolution, such as genetic drift, gene flow through migration, and co-evolution.
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