Energy Pyramid

Producers

Primary Consumers

Secondary Consumers

Scavengers

IB Food Web Pyramid1st Paragraph

Explain how information from a food web can be converted into an energy pyramid. What are their similarities.

2nd ParagraphExplain how the size and number of animals changes as you go up the pyramid.

3rd ParagraphWhich trophic level obtains the most solar energy? How does energy move in an Energy Pyramid? Include percentages

4th ParagraphWhy do we show the flow of energy in an ecosystem using a pyramid?

5th ParagraphWhat trophic level on the energy pyramid would be most efficient in helping to feed the world’s population?

IB Food Web Paper1st Paragraph

Explain the climate and organisms that live in your biome.2nd Paragraph

Explain how energy flows through your food web.3rd Paragraph

What part of your food web would be the best for feeding the world’s population? Explain.

4th ParagraphWhat are some of the negative impacts on your biome associated with human activity such as pollution? Explain.

5th Paragraph• How are people working to correct these negative effects on the

environment and the animals that live in your biome such as charities, conservation efforts, or educational awareness programs.

Questions about Pyramid

• The number of organisms ___________ as you go up the pyramid.

• What was 90% of the energy at each trophic level used for?

• What happened to the other 10% of the energy at each trophic level?

• Why do we show the flow of energy in an ecosystem as a pyramid?