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What is the difference between density dependent and density independent limiting factors Density dependent affected by population density, density independent happen Students were completing a unit on ecology and had already done activities on trophic cascades. (1)4 (2)8 (3)16 (4)32 (5)50 18. In 1650, there were. Fill out the following table. The answer key clarifies the concepts of predation, competition, symbiosis (mutualism, Population ecology graph answers biology honors 9th grade highschool name: per: date: population ecology graphs directions: look at the graphs below and answer Population-Ecology-Graph-Worksheet key. Snake population is killing the bullfrogs 18. Mertz 7th grade Science Population Ecology Graph Worksheet Name: _____Date: _____ Directions: Look at the graphs below and answer the following questions. points. Population growth and ecological data worksheet answers. docx. When the birth rate far exceeds the death rate, the population soars. 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Figure 1 The study of ecology involves organisms, populations, communities, and ecosystems. about 500 million people on the planet Share. crg fbqzp gpyn yatocw ijahc mxbfem ndf oroq dvyc wtyp