Levels of Biological Organization Crossword Puzzle

QUESTIONS LIST:

• water : an example of molecules and it composed of two elements hydrogen and oxygen
• organ : consists of different tissues organized together to perform
• ecosystem : interaction of biotic and the abiotic factors in an area
• nervous : an example of organ system and one part of this is brain
• biosphere : portion of the earth with living things
• cell : smallest structural and fundamental unit of an organism
• heart : example of organ
• community : consists of all different species within a certain area
• population : a group of organisms of the same species involving a given region
• circulatory : example of an organ system
• molecules : groups of atoms that bond together
• forest : an example of an ecosystem and consists of different trees
• tissue : a group of cells working together
• earth : example of biosphere and where we can live
• human : example of an organism