Biology, 22.09.2020 23:01 amorosoavap5cejz
The plants in a red-tailed hawk's food chain produce 3 million kcal of chemical energy per day. How much energy is available to the hawk's trophic level, assuming 90% loss at each level?
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Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?
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When analyzing tree rings, what do scientists assume a thin ring indicates?
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Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration
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The plants in a red-tailed hawk's food chain produce 3 million kcal of chemical energy per day. How...
Mathematics, 20.03.2020 02:38
Mathematics, 20.03.2020 02:39