Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Science Vocabulary

Melanie Papadopoulos
Science Extra Credit 
Ms. Medlin
Across
The sum of all living matter on earth
Behavior in which one species kills another species for food
Organisms fight for resources within their own species
Best science teacher ever!
Agressor that kills another species
Both organisms benefit
The process by which plants use energy from sunlight to produce food
All the interacting biotic and abiotic factors in an area
All the members of the same species living in a particular area at a particular time
One or both organisms can benefit, but neither requires it to survive
One organism benefits, the other is harmed
The whole mass of air surrounding Earth
Down
Structures or behaviors in organisms that help them survive in their environment
A series of overlapping food chains that show the path of energy among organisms in an ecosystem
One species must live with the other in order to survive
When different species compete for the same resources
One organism benefits, the other is unaffected
Two different species of organisms living in close contact
The ability to be replaced in a short period of time
Victim of another species