What is an organism, such as a plant or algae, that makes its own food

What is the feeding relationship between all organisms in an ecosystem. Arrows show the flow of matter and energy from one organisms to another.

What is organic litter made of dead organisms, their parts, and waste.

What are animals that eat plants and animals.

What are the gasses surrounding Earth at a depth of several hundred kilometers.

What is an organism that cannot make its own food. Consumers eat other organisms

What are microscopic plant-like organisms in aquatic environments that produce their own food

What are animals that only eat plants.

What are animals at the top of the food chain.

What is the water on Earth in the rivers, lakes, seas, groundwater, ocean, and atmosphere.

What is an organism that breaks down plant and animal material into simple chemicals. Scavengers ARE NOT decomposers.

What are microscopic animals in aquatic environments.

What are animals that eat primary consumers.

What is (sometimes called lithosphere) Earth's rocks, minerals, and landforms.

What are the plants, animals, and other living things, in the water, and in the air.