Exploring Matter and Energy in Ecosystems

This video tutorial is part 2 of activity 3, focusing on a simulation that explores the roles of producers, consumers, decomposers, dead matter, and abiotic material in an ecosystem. The lesson emphasizes observing energy storage molecules and their flow within the ecosystem. It guides viewers to watch the direction of energy flow, particularly in producers, consumers, secondary consumers, and decomposers, and to understand the movement of carbon dioxide and energy storage molecules. The session concludes with a brief wrap-up.

What are the primary components of an ecosystem as introduced in the simulation?

• Water, soil, air, plants, animals

• Bacteria, fungi, birds, mammals

• Producers, consumers, decomposers, dead matter, abiotic material

• Sunlight, water, carbon dioxide, minerals

Tags

NGSS.MS-LS2-3

In the ecosystem simulation, what should you observe about the energy storage molecules?

• Their temperature changes

• Whether they are being consumed or produced

• Their color and size in the simulation

• The speed at which they move

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3

What role do producers play in the flow of energy in an ecosystem?

• They create energy storage molecules using sunlight

• They consume energy from decomposers

• They store energy temporarily and release it at night

• They do not participate in energy flow

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where do consumers send their carbon dioxide in the ecosystem simulation?

• To the abiotic material

• To the atmosphere

• To the decomposers

• To the producers

Tags

NGSS.MS-LS2-3

What is observed coming out of decomposers in the simulation?

• Neither energy storage molecules nor carbon dioxide

• Energy storage molecules and carbon dioxide

• Only energy storage molecules

• Only carbon dioxide

Tags

NGSS.MS-LS2-3

What flows into decomposers according to the simulation?

• Only waste products

• Only dead matter

• Sunlight and water

• Dead matter and waste products

Tags

NGSS.MS-LS2-3