Page 96 - Science Course 3 (Book 1)

Mo2-L7c: What are the Cycles Happened in the Ecosystem?

Food energy from producers moves into consumers
What are the Cycles Happened in the
Mo2-L7c Ecosystem? at the next level.

KEY CONCEPTS: The top level of a food pyramid usually shows the
1. What forms does water take in the water cycle? carnivores in an ecosystem.

Vocabulary A-Z

Let us learn some vocabulary Tertiary Consumer
1 kcal

Energy Pyramid Secondary Consumer
10 kcal
a model that shows the amount of energy available
in each link of a food chain. Primary Consumer
100 kcal

Producers
1,000 kcal

This energy pyramid shows how energy flows from
producers to consumers.

Matter Cycles

Food, vitamins, minerals, Others
and water that you need
to live are examples of 3% Nitrogen
Let’s Begin matter. 10%
Matter is the physical Hydrogen
material that makes up 18%
Modeling Energy Pyramids the world around you. Carbon
An energy pyramid shows the amount of food energy Most of the matter in
available at each level of a community. your body is water, but 65%
your body also contains Oxygen
More food energy is available at the “base” of an matter in other forms
energy pyramid, where producers are. such as carbon and
oxygen.

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