Ecosystems

a dead plant 

• abiotic 
• biotic 

soil 

• abiotic 
• biotic 

the sun 

• abiotic 
• biotic 

a bird 

• abiotic 
• biotic 

all the snakes in the area 

• organism 
• ecosystem 
• population 

plants, rocks, air, sunlight, water, 

• ecosystem 
• population 
• community 

the entire Earth 

• biosphere 
• community 
• ecosystem 

snakes, mice, small birds, crickets, hawks, cactus, tumbleweed

• organism
• community
• population 

A snake 

• ecosystem 
• organism 
• population 

What does this picture show?

• Organism

• Population

• Community

• Ecosystem