Biotic or Abiotic?

Biotic Materials                    

• grass                                                              
• poisen ivy
• thorn bushes
• pine trees
• crab apple trees
• mosquitoes
• mushrooms
• moss
• flies
• deer
• moths
• bees
• fungi
• flowers
• maple tree

Abiotic Materials

• old tin can
• beat up tennis ball
• drain pipes
• rocks