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- Which were consequences of the development of agriculture? a. higher physical activity and greater physical endurance b. lower mortality and increased life spans c. improved hygiene and larger populations d. poorer nutrition and increased infectious diseaseDeforestation means adding of green cover to make land available for development. True or false?Analyze the trend toward fewer workers in production agriculture.
- Which event occurs when the population in an area has grown beyond the carrying capacity of that area? immigration irruption extinction diebackUsing the organisms listed below create TWO food CHAINS From a producer through THREE consumers . answer can be in a written sentence paragraph corn , rabbit , grass , wolf snake , eagle grasshopper , fox , rat, hawkWhich term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophy
- Create a 4 species food chain using arrows to show the direction of energy flow.Which curve on the graph represents a species that produces high numbers of offspring with little paternal care? a) Graph 1 b) Graph 2 c) Graph 3 d) Graph 4Which type of agriculture describes the process of clearing a small plot of land by burning down the natural vegetation. When the fertility of the plot decreases, the plot is abandoned and another area is cleared. Nomadism Transhumance Slash-and burn agriculture All of the above