# data[].attributes.headline
An ecosystem includes all the organisms in a given area, as well as the abiotic (nonliving) factors with which they interact.

# data[].attributes.subject
An ecosystem includes all the organisms in a given area, as well as the abiotic (nonliving) factors with which they interact.

# data[].attributes.headline
A community consists of all the organisms living in one area.

# data[].attributes.subject
A community consists of all the organisms living in one area.

# data[].attributes.headline
A population is a group of individuals of one species living in one area that have the ability to interbreed and interactwith each other.

# data[].attributes.subject
A population is a group of individuals of one species living in one area that have the ability to interbreed and interactwith each other.

# data[].attributes.headline
Although Earth receives a constant supply of energy from the sun, chemicals must be recycled. Here are three chemical cycles: the water cycle, the carbon cycle, and the nitrogen cycle.

# data[].attributes.subject
Although Earth receives a constant supply of energy from the sun, chemicals must be recycled. Here are three chemical cycles: the water cycle, the carbon cycle, and the nitrogen cycle.

# data[].attributes.headline
A biome is a community of plants and animals that have common characteristics for the environment they exist in.

# data[].attributes.subject
A biome is a community of plants and animals that have common characteristics for the environment they exist in.