Tic - Tac - Toe Crossword

A biological community of interactive organisms and thier physical environment.
A living life form classified as a plant, animal, or single celled life form.
Is the number of living things that live together in the same places.
A group of people living in the same place or having a particular characteristic in common.
The regions of the surface, atmosphere and hydrosphere of the earth ( occupied by living creatures).
A non living condition or thing that can infuse and affect an ecosystem.
Are the living or once living components of an ecosystem.
The variety of life in the world or in a particular habitat/ecosystem
A large occurring community of floral and fauna occupying a major ecosystem. this may include desserts or taundra.
Grasslands and forest are examples of what.
The weather conditions in an area over a long period of time.
The action of process of change to thrive or survive.