4 3 2 1 Biotic factors Excellent Good description Poor description Poor description description of 4 or of 3 or more of 2 or more of 1 or more more factors factors factors factors Abiotic factors Excellent Good description Poor description Poor description description of 4 or of 3 or more of 2 or more of 1 or more more factors factors factors factors Stressors Excellent Good description Good description Poor description description of 3 or of 3 or more of 2 or more of 2 or more more stressors stressors stressors stressors affecting the ecosystem Interactions Excellent Good description Poor description No description of description of the of the interactions of the interactions the interactions interactions between the between the between the between the organisms in the organisms in the organisms in the organisms in the ecosystem ecosystem ecosystem ecosystem Food Chain Producer and Producer and two Producer and one Only consumers three consumers consumers consumers considered considered considered considered Food web Producer to top Producer to top Producer to top predator with predator with predator with two multi layers three layers layers considered considered considered Grammar, spelling Excellent Good Poor Neatness Argument of the Argument Argument Argument not Argument not health of the supported with supported with supported with stated. ecosystem and excellent evidence good evidence any evidence survival of sited. (3 or more sited. (2 or more ecosystems types of evidence types of evidence species used) used) Resources Five or more Three resources Three resources Less than three resources used used from used from the resources used. from different different sources. same source sources such as (example: internet internet, library, only) books, magazines
4 3 2 1 Biotic factors Excellent description of 4 or more factors Good description of 3 or more factors Poor description of 2 or more factors Poor description of 1 or more factors Abiotic factors Excellent description of 4 or more factors Good description of 3 or more factors Poor description of 2 or more factors Poor description of 1 or more factors Stressors Excellent description of 3 or more stressors affecting the ecosystem Good description of 3 or more stressors Good description of 2 or more stressors Poor description of 2 or more stressors Interactions Excellent description of the interactions between the organisms in the ecosystem Good description of the interactions between the organisms in the ecosystem Poor description of the interactions between the organisms in the ecosystem No description of the interactions between the organisms in the ecosystem Food Chain Producer and three consumers considered Producer and two consumers considered Producer and one consumers considered Only consumers considered Food web Producer to top predator with multi layers considered Producer to top predator with three layers considered Producer to top predator with two layers considered Grammar, spelling Neatness Excellent Good Poor Argument of the health of the ecosystem and survival of ecosystems species Argument supported with excellent evidence sited. (3 or more types of evidence used) Argument supported with good evidence sited. (2 or more types of evidence used) Argument not supported with any evidence Argument not stated. Resources Five or more resources used from different sources such as internet, library, books, magazines Three resources used from different sources. Three resources used from the same source (example: internet only) Less than three resources used.