Question

draw an example of a trophic pyramid for the following food chain: seeds,rodents,hawks. assume seeds start with 1500 calories of energy available to them. include in your pyramid: name of organism, trophic level number,name of trophic level and amount of energy(in calories) present of each level. finally of to the side describe the trend energy shows as it moves up through the trophic levels

Answer 1

To draw a trophic pyramid include specific organisms, organize them into levels and calculate the energy at each level.

What are the elements in a trophic pyramid?

The main elements in a food chain are:

• Type of organisms: In ecosystems, organisms are classified into producers (plants), primary consumers (herbivores), secondary consumers (carnivores), and tertiary consumers (carnivores that feed on secondary consumers).
• Organisms: In a food chain there are specific organisms at each level and these organisms relate to those of other levels.
• Changes in energy: In general only 10% of the energy is passed from one level to the next, therefore energy decreases.

How to draw a trophic pyramid?

In this case, you will need a pyramid divided into three sections. Here are the levels and organisms in each:

• First section: producers- seeds.
• Second section: primary consumers -rodents.
• Third section (top): secondary consumers hawk.

Then you will need to add the energy to each level:

• First level: 1500 calories.
• Second level: 150 calories.
• Third level: 15 calories.

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