a process in which plants take carbon dioxide from the atmosphere and hydrogen from water, and release oxygen into the atmosphere

a group of living organisms interacting with one another as well as with nonliving things

a predator that lies at the top of the food chain and may feed on plants, primary consumers, or secondary consumers

an organism that attaches itself to dead tertiary consumers and breaks down the matter of their bodies

nonliving things, bacteria, fungi, sunlight, water secondary consumers, tertiary consumers

primary consumers, deer, bacteria, fungi, nonliving things, tertiary consumers

producers, primary consumers, secondary consumers, tertiary consumers

primary producers, primary consumers, secondary consumers, carbohydrates, water

Plants need both carbon dioxide and water for photosynthesis to occur.

Different types of organisms within an ecosystem need each other to live.

Bacteria and fungi are needed to break down the dead bodies of producers and consumers.

Light from the sun is necessary for most ecosystems on Earth to get going.

ONLY the living things in the ecosystem

ONLY the nonliving things in the ecosystem

living and nonliving things in the ecosystem

the energy flow is not dependent on any members of the ecosystem

the energy flow of an ecosystem and the different types of organisms within an ecosystem

the function of secondary consumers and their importance to an ecosystem

the problems for ecosystems that result from humans hunting animals such as deer and tigers

the creation of body heat in primary consumers and the release of that heat into the atmosphere

stopped

moved

changed

destroyed