Ecosystems crossword (Ava R)

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Across
  1. 3. A group of organisms of the same species living in a community is called a population.
  2. 5. All living things (organisms) have a place where they live, called a habitat. Every living organism has particular needs. Organisms live only where these needs are met by the resources available in the habitat.
  3. 8. are a subset of Earth's aquatic ecosystems. They include lakes and ponds, rivers, streams, springs, bogs, and wetlands. They can be contrasted with marine ecosystems, which have a larger salt content.
  4. 11. are purely natural ecosystems and their formations are not in any way influenced by human activity.
  5. 12. is a human made system of plants, animals, and people living in an area together with their surroundings.
  6. 14. is a living thing.
  7. 15. is the place where all life as we know it exists. It consists of Earth and its atmosphere.
Down
  1. 1. is an ecosystem in a body of water. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems.
  2. 2. Non living things
  3. 4. Members of the same species produce offspring, ensuring that the species will survive.
  4. 6. is a type of ecosystem found only on biomes. A community of organisms and their environment that occurs on the land masses of continents and islands.
  5. 7. is a system formed by organisms interacting with each other and their nonliving surroundings in a balanced way.
  6. 9. are aquatic ecosystems whose waters possess a high salt content.
  7. 10. organisms cooperate with each other to ensure their survival.
  8. 13. A group of organisms living together in an ecosystem is called a community. Different species live in a community.
  9. 15. Living things