Content Resources / Topic Major Understanding Technology Integration Evolution Evidence of evolution 3.1a The processes of sexual reproduction and mutation have given Blending Butterflies rise to a variety of traits within a species. Fossils (17 days) Changes in environmental conditions can affect the survival of 3.1b Sedimentary Rock layers Adaptations individual organisms with a particular trait. Small differences between parents and offspring can accumulate in successive How have Mutations Beak activity generations so that descendants are very different from their living ancestors. Individual organisms with certain traits are more likely to Natural and Artificial Selection Silly Science organisms survive and have offspring than individuals without those traits. 3.1c Human activities such as selective breeding and advances in changed Genetic engineering Taxonomy, Classification & genetic engineering may affect the variations of species. over dichotomous keys 3.2a In all environments, organisms with similar needs may compete geologic Competition/Extinction with one another for resources. Extinction of a species occurs when the environment changes 3.2b Dichotomous Key: Gizmos time? and the adaptive characteristics of a species are insufficient to permit its survival. Extinction of species is common. Fossils are evidence Rate of Evolution that a great variety of species existed in the past. 3.2c Many thousands of layers of sedimentary rock provide evidence Utilize and develop classification for the long history of Earth and for the long history of changing charts (dichotomous key) lifeforms whose remains are found in the rocks. Recently deposited rock layers are more likely to contain fossils resembling existing species. 3.2d Although the time needed for change in a species is usually great, some species of insects and bacteria have undergone significant change in just a few years. 1.1h Living things are classified by shared characteristics on the cellular and organism level. In classifying organisms, biologists consider details of internal and external structures. Biological classification systems are arranged from general (kingdom) to specific (species) Topic Content Major Understanding Resources /
Topic Content Major Understanding Resources / Technology Integration Evolution (17 days) How have living organisms changed over geologic time? Evidence of evolution Fossils Sedimentary Rock layers Mutations Natural and Artificial Selection Genetic engineering Competition/Extinction Rate of Evolution Utilize and develop classification charts (dichotomous key) 3.1a The processes of sexual reproduction and mutation have given rise to a variety of traits within a species. 3.1b Changes in environmental conditions can affect the survival of individual organisms with a particular trait. Small differences between parents and offspring can accumulate in successive generations so that descendants are very different from their ancestors. Individual organisms with certain traits are more likely to survive and have offspring than individuals without those traits. 3.1c Human activities such as selective breeding and advances in genetic engineering may affect the variations of species. 3.2a In all environments, organisms with similar needs may compete with one another for resources. 3.2b Extinction of a species occurs when the environment changes and the adaptive characteristics of a species are insufficient to permit its survival. Extinction of species is common. Fossils are evidence that a great variety of species existed in the past. 3.2c Many thousands of layers of sedimentary rock provide evidence for the long history of Earth and for the long history of changing lifeforms whose remains are found in the rocks. Recently deposited rock layers are more likely to contain fossils resembling existing species. 3.2d Although the time needed for change in a species is usually great, some species of insects and bacteria have undergone significant change in just a few years. 1.1h Living things are classified by shared characteristics on the cellular and organism level. In classifying organisms, biologists consider details of internal and external structures. Biological classification systems are arranged from general (kingdom) to specific (species) Blending Butterflies Adaptations Beak activity Silly Science Taxonomy, Classification & dichotomous keys Dichotomous Key: Gizmos Topic Content Major Understanding Resources /