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

The resources above correspond to the standards listed below:

Maine Standards

ME.E. The Living Environment: Students understand that cells are the basic unit of life, that all life as we know it has evolved through genetic transfer and natural selection to create a great diversity of organisms, and that these organisms create interdependent webs through which matter and energy flow. Students understand similarities and differences between humans and other organisms and the interconnections of these interdependent webs.
E.2. Ecosystems: Students examine how the characteristics of the physical, non-living (abiotic) environment, the types and behaviors of living (biotic) organisms, and the flow of matter and energy affect organisms and the ecosystem of which they are part.
E.2.b. Describe ways in which two types of organisms may interact (including competition, predator/prey, producer/consumer/decomposer, parasitism, and mutualism) and describe the positive and negative consequences of such interactions.
E.5. Evolution: Students describe the evidence that evolution occurs over many generations, allowing species to acquire many of their unique characteristics or adaptations.
E.5.b. Describe how small differences between parents and offspring can lead to descendants who are very different from their ancestors.
E.5.c. Describe how variations in the behavior and traits of an offspring may permit some of them to survive a changing environment.