How do humans get the carbon they need?

Carbon is the building block of________

How do humans get rid of extra carbon?

Biotic factors are_____

Why are there no plants deep in the ocean?

In which biome would you find trees that go dormant in the winter?

If all the plants in an ecosystem died, what would happen to the consumers?

Since plants can't use the nitrogen that's in the air, what helps change the nitrogen into a usable form?

Which level of the energy pyramid has the most energy?

Which of the following is an important ABIOTIC factor of the desert?

Which is an important ABIOTIC factor of the tundra?

Why are evergreen trees able to survive the environment of the taiga?

How are humans upsetting the carbon and nitrogen cycles?

In a food chain, an arrow is drawn from a grasshopper to a bird. What does this mean?

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