Ecosystems, food chains and food webs. Maryland Standards.
Maryland Education Standards. Understanding food chains and food webs requires understanding the flow of energy and food sources among living things on Earth. A food chain represents a series of organisms connected by where they obtain their energy. A food web is made up of many different food chains in an ecosystem. A food web helps us understand how organisms are interrelated within an ecosystem. Read More...
The resources above correspond to the standards listed below:
MD.3.0. Life Science: The students will use scientific skills and processes to explain the dynamic nature of living things, their interactions, and the results from the interactions that occur over time.
3.E.1. Flow of Matter and Energy: Explain that the transfer and transformation of matter and energy links organisms to one another and to their physical setting.
3.E.1.e. Ask and seek answers to questions about the fact that transfer of matter between organisms continues indefinitely because organisms are decomposed after death to return food materials to the environment.
3.E.1.f. Provide evidence that supports the premise 'In the flow of matter system the total amount of matter remains constant even though its form and location change': Carbon cycle; Nitrogen (cycle); Food chains and food webs.
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