(1) the potential for a species to number of organisms, behaviors, increase in number, (2) the morphology, or physiology in genetic variation of individuals in a terms of ability to compete for species due to mutation and limited sexual reproduction, (3) resources and subsequent survival competition for an environment’s of individuals and adaptation of limited supply of the resources species. Examples of evidence that individuals need in order to could include mathematical survive and reproduce, and (4) the models such as simple distribution ensuing proliferation of graphs and proportional those organisms that are better reasoning.] [Assessment able to survive and reproduce Boundary: Assessment does not in that environment. (HS-LS4-2) include other mechanisms of Natural selection leads to evolution, such as genetic drift, adaptation, that is, to a population gene flow through dominated by organisms that are migration, and co-evolution.] anatomically, behaviorally, and HS-LS4-3. Apply concepts of physiologically well suited to statistics and probability to survive and reproduce in a specific support explanations that environment. That is, the organisms with an advantageous differential survival and heritable trait tend to increase in reproduction of proportion to organisms lacking organisms in a population that this trait. [Clarification Statement: have an advantageous heritable Emphasis is on analyzing trait leads to an increase in the shifts in numerical distribution of proportion of individuals in future traits and using these shifts as generations that have the trait and evidence to support explanations.] to a decrease in the [Assessment Boundary: proportion of individuals that do Assessment is limited to basic not. (HS-LS4-3),(HS-LS4-4) statistical Adaptation also means that the and graphical analysis. distribution of traits in a Assessment does not include population can change when allele frequency calculations.] conditions change. (HS-LS4-3) HS-LS4-4. Construct an in the physical explanation based on evidence environment, whether naturally for how natural selection leads to occurring or human induced, have adaptation of populations. thus contributed to the [Clarification Statement: Emphasis
(1) the potential for a species to increase in number, (2) the genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for an environment’s limited supply of the resources that individuals need in order to survive and reproduce, and (4) the ensuing proliferation of those organisms that are better able to survive and reproduce in that environment. (HS-LS4-2) Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. That is, the differential survival and reproduction of organisms in a population that have an advantageous heritable trait leads to an increase in the proportion of individuals in future generations that have the trait and to a decrease in the proportion of individuals that do not. (HS-LS4-3),(HS-LS4-4) Adaptation also means that the distribution of traits in a population can change when conditions change. (HS-LS4-3) in the physical environment, whether naturally occurring or human induced, have thus contributed to the 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 Boundary: Assessment does not include other mechanisms of evolution, such as genetic drift, gene flow through migration, and co-evolution.] HS-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. [Clarification Statement: Emphasis is on analyzing shifts in numerical distribution of traits and using these shifts as evidence to support explanations.] [Assessment Boundary: Assessment is limited to basic statistical and graphical analysis. Assessment does not include allele frequency calculations.] HS-LS4-4. Construct an explanation based on evidence for how natural selection leads to adaptation of populations. [Clarification Statement: Emphasis
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