Crossword 2: Populations and Survival

12345678
Across
  1. 2. An organism that is hunted and eaten
  2. 5. Organisms working together in a way that improves survival
  3. 6. A substance an organism needs to grow and survive
  4. 8. An interaction in which one organism hunts and eats another
Down
  1. 1. A struggle between organisms for the same limited resource
  2. 2. An organism that hunts and eats another organism
  3. 3. The largest population an environment can support over time
  4. 4. The ability to cause change or perform work
  5. 7. Anything that restricts the size or growth of a population