https://padlet.com/lisle202/6dviht0ikpzh en-us 2016-11-09 15:53:32 UTC 2025-08-08 01:42:38 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Xmastree.png ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136455969 Visual representation of calorie transfer through the different levels. These are called Trophic Levels.]]> 2016-11-09 16:20:27 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136455969 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136769571 In an ecosystem, there generally are more producers than there are primary consumers, then more primary consumers than secondary, then secondary over tertiary.]]> 2016-11-10 15:42:28 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136769571 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136770519 Reason behind this is because of energy flow between producers and consumers.]]> 2016-11-10 15:44:15 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136770519 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136772098 Meandering River: Plants / Detritus (Producer) > Smaller Fish (Primary Consumer) > Larger Fish (Secondary Consumer) > Large Bird (Tertiary Consumer)]]> 2016-11-10 15:47:43 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136772098 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136773195 Some organisms can be part of two or more trophic levels. Example: Humans ]]> 2016-11-10 15:50:16 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136773195 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136773944 Vegetarians are primary consumers, meat eaters are secondary or tertiary.]]> 2016-11-10 15:52:07 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136773944 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136774270 As you go up through the trophic levels, 90% of the energy gets lost. For every 10 kcal a tertiary consumer eats, the producers have to make 10,000. This energy is lost through heat and egested waste. Only the energy stored in the biomass (Fat, muscle) will get transferred to the next organism.]]> 2016-11-10 15:53:04 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136774270 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136776023 More detailed explanation on energy flow.]]> 2016-11-10 15:57:18 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136776023 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136776982 This is why food webs are generally more accurate than food chains.]]> 2016-11-10 15:59:43 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136776982 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136779985 Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances.]]> 2016-11-10 16:06:40 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136779985 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136781365 There are two kinds or primary productivity. Gross Primary Productivity (GPP) and Net Primary Productivity (NPP). Gross Primary Productivity is how much is produced in total. Net Primary Productivity is how much is left for the next trophic level.]]> 2016-11-10 16:10:04 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136781365 ts20104 https://padlet.com/lisle202/6dviht0ikpzh/wish/136911789 Sure, there's not much, but if you'd rather listen than read, then here you go.]]> 2016-11-10 23:38:46 UTC https://padlet.com/lisle202/6dviht0ikpzh/wish/136911789