biology

2. individual animal, plant, or single-celled life form.
5. the basic unit of a chemical element.
6. particle smaller than an atom
16. group of organs that work together to perform a complex function
17. substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together,
18. the smallest structural and functional unit of an organism
20. the inhabitants of a particular town, area, or country.
21. regions of the surface, atmosphere, and hydrosphere of the earth
22. of a large group of organic compounds occurring in foods and living tissues
24. assets in excess of liabilities; able to pay one's debts.

1. group of people living in the same place or having a particular characteristic in common.
3. molecule that can be bonded to other identical molecules to form a polymer.
4. of atoms,
5. chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
7. a group of atoms bonded together
8. a molecule containing a very large
9. consisting of or deriving from living matter.
10. sweet crystalline substance obtained from various plants
11. group of cells that have similar structure and that function together as a unit.
12. action or fact of forming a united whole.
13. part of an organism that is typically self-contained
14. biological community of interacting organisms and their physical environment.
15. lowest part or edge of something, especially the part on which it rests or is supported.
19. action or process of adhering to a surface or object.
23. to or derived from living matter.