Science Worksheets and Study Guides Eighth Grade. The Evolution and interaction of Living Things

The resources above correspond to the standards listed below:

Texas Assessments Standards (STAAR)

TX.STAAR.8. STAAR Grade 8 Science Assessment
Reporting Category 4: Organisms and Environments - The student will demonstrate an understanding of the structures and functions of living organisms and their interdependence on each other and on their environment.
(7.11) Organisms and environments. The student knows that populations and species demonstrate variation and inherit many of their unique traits through gradual processes over many generations. The student is expected to:
7.11 (C) Identify some changes in genetic traits that have occurred over several generations through natural selection and selective breeding such as the Galapagos Medium Ground Finch (Geospiza fortis) or domestic animals. Supporting Standard (STAAR)
(8.11) Organisms and environments. The student knows that interdependence occurs among living systems and the environment and that human activities can affect these systems. The student is expected to:
8.11 (A) Describe producer/consumer, predator/prey, and parasite/host relationships as they occur in food webs within marine, freshwater, and terrestrial ecosystems. Readiness Standard (STAAR)
8.11 (C) Explore how short- and long-term environmental changes affect organisms and traits in subsequent populations. Readiness Standard (STAAR)