because they larger animal usually eats more of the animals that's one the bottom of the food pyramid.
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?
This is because only about 10% of energy is transferred from one trophic level to the next. The other 90% or so is used up by the organism itself for life processes, digestion, excretion, growth, movement and transpiration for plants. Therefore the amount of energy decrease up the trophic levels and the higher the trophic level, the less the energy received.
As the levels progress upward in a pyramid form, only 10% of the energy level below can be transfered as energy to the next level. Using the lowest level as having 100%, the next level only has 10% of that 100% to use for energy. The third level will have 10% of 10% of that 100% to use for energy. Because there is only so much at each level to use, the number of animals and plants become smaller. At most there will be 3 levels. A very few will reach 4 levels.
I think you might be talking about a biomass pyramid. I never heard of a biotic pyramid. Take a look at this website. It might help you. http://earth.rice.edu/MTPE/bio/biosphere/topics/energy/40_biomass.html
An energy pyramid is like a food chain, because at the top of the pyramid, there is the most energy, and at the bottom there is the least energy. The same goes for a food chain, because the producer has 100% of the energy. The final consumer, or tursury consumer, has either little or no energy left from the primary, and secondary consumers, because they have used up almost all the energy breathing, moving and during digestion.
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?
This is because only about 10% of energy is transferred from one trophic level to the next. The other 90% or so is used up by the organism itself for life processes, digestion, excretion, growth, movement and transpiration for plants. Therefore the amount of energy decrease up the trophic levels and the higher the trophic level, the less the energy received.
If the organisms in a food chain are arranged according to trophic levels, they form a pyramid, with a broad base representing the primary producers and usually only a few individuals in the highest part of the pyramid. Also known as a "pyramid of numbers," an ecological pyramid is a way of describing the distribution of energy, biomass, or individuals among the different levels of ecosystem structure.
Only about 10% is passed from level to level. In this case it is 10% of 1500 calories or 150 calories. This the reason why there has to be many, many producers and why there are only a few consumers. And why you will only see a few eagles or wolves at the very top of the pyramid.
As the levels progress upward in a pyramid form, only 10% of the energy level below can be transfered as energy to the next level. Using the lowest level as having 100%, the next level only has 10% of that 100% to use for energy. The third level will have 10% of 10% of that 100% to use for energy. Because there is only so much at each level to use, the number of animals and plants become smaller. At most there will be 3 levels. A very few will reach 4 levels.
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?
yes but only a few kinds
timbuktu
because there is not that many animals that eat other animals.
because there is not that many animals that eat other animals.
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?