biology

12345678910
Across
  1. 3. entire array of organisms living in a particular ecosystem
  2. 5. consists of all life on Earth and all the places where life exists
  3. 9. a system consists of related parts that interact with each other to form a whole
  4. 10. made up of a group of cells that work together
Down
  1. 1. all the individuals of a species living within the bounds of a specified area
  2. 2. the smallest unit of matter
  3. 4. the functional component present in cells
  4. 6. a group of tissues that perform the same functions
  5. 7. the living things in a particular area
  6. 8. a chemical structure consisting of two or more small chemical