Levels of organization Crossword

A group of atoms bonding together
The smallest structural and functional unit of an organism
Material in which animals and plants are made of consisting cells and products
A group of organisms that work together to preform one or more functions
A group of people living in the same place
A biological community of interacting organisms and their physical environment
An individual plant animal or single cell life form
The basic unit of a chemical element
A part of an organism that is typically self contained and has a specific vital function
a large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.
All the inhabitants of a particular town, area, or country.
Any of a number of organized or specialized structures within a living cell.
The regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.