Energy Flow and Organism Roles

The teacher guides students through a question about a food web in the Lavaca Bay ecosystem. The focus is on understanding energy flow, identifying producers, and determining which organisms are herbivores. The teacher emphasizes the importance of recognizing producers and consumers in the ecosystem to answer the question correctly.

What does the direction of an arrow in a food web indicate?

• The direction of energy flow

• The direction of water flow

• The direction of nutrient flow

• The direction of sunlight

What is the primary focus of the research conducted in the Levaca Bay ecosystem?

• The impact of human activities

• The water quality of the bay

• The relationship between organisms

• The migration patterns of birds

Which of the following is a producer in the Levaca Bay ecosystem?

• Swamp rabbit

• Swamp sparrow

• Plankton

• Hermit crab

Which organisms receive energy directly from producers?

• Omnivores

• Carnivores

• Herbivores

• Decomposers

Which of the following is NOT a second-level consumer?

• Swamp sparrow

• Bald eagle

• Hermit crab

• Swamp rabbit

What is the role of a producer in an ecosystem?

• To decompose organic matter

• To consume other organisms

• To produce their own food

• To migrate across ecosystems

Which organism is classified as a herbivore?

• Blue crab

• Swamp rabbit

• Bald eagle

• Spotted sandpiper

What is the main source of energy for herbivores?

• Producers

• Carnivores

• Decomposers

• Omnivores

Which of the following is a characteristic of a producer?

• Produces its own food

• Consumes other organisms

• Decomposes organic matter

• Migrates seasonally

What is the best answer choice for organisms that receive energy directly from producers?

• Option D

• Option A

• Option B

• Option C