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Algae play a vital role in energy transfer within marine ecosystems as primary producers and oxygen generators.

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These are organisms that can make their own food through the process of photosynthesis. They serve as the base of the food chain, providing energy for all other living organisms.

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Primary consumers are organisms that feed directly on producers. They are herbivores that play a crucial role in energy transfer within ecosystems by converting the energy stored in plants into a form that higher-level consumers can use.

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are organisms that eat primary consumers. They can be carnivores or omnivores.

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Tertiary consumers are organisms that eat secondary consumers. Some tertiary consumers are apex predators, meaning they have no natural predators in their ecosystem.

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These are organisms that break down dead plants, animals, and organic waste, returning nutrients to the environment. They play a crucial role in ecosystems by recycling materials back into the soil, water, and atmosphere for producers to use.

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These small worms are related to earthworms, fpund also in Arctic soils, where they break down organic matter.

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1. Choose one trophic level to research and post about:

Producers

Primary Consumers

Secondary Consumers

Tertiary Consumers

Decomposers

2. Create a post in your assigned section that includes:

An image showing examples of organisms at your trophic level

Information about energy transfer at your level

The percentage of energy available at your level

Examples of organisms found at your level

3. Review your classmates’ posts to see how energy flows through the entire pyramid.

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These worms are found in Arctic waters. They help decompose organic matter in seabeds where dead marine animals may decompose