competition.step

spruce http://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Picea_glauca_tree.jpg/504px-Picea_glauca_tree.jpg

chipmunk http://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Lodgepole_Chipmunk_%28Neotamias_speciosus%29.jpg/630px-Lodgepole_Chipmunk_%28Neotamias_speciosus%29.jpg

robins_nest https://upload.wikimedia.org/wikipedia/en/thumb/c/c5/Robin%27s_Nest_-_Charlotte_NC.jpg/1280px-Robin%27s_Nest_-_Charlotte_NC.jpg

cliff_swallows http://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Flickr_-_Oregon_Department_of_Fish_%26_Wildlife_-_cliff_swallow_clack_barnes_odfw.jpg/512px-Flickr_-_Oregon_Department_of_Fish_%26_Wildlife_-_cliff_swallow_clack_barnes_odfw.jpg 

wild_dogs http://upload.wikimedia.org/wikipedia/commons/thumb/4/45/African_wild_dog3.jpg/512px-African_wild_dog3.jpg

savanna_burn http://upload.wikimedia.org/wikipedia/commons/7/7e/Fire-sav-S-slope-3720.jpg

toe_balance http://fc07.deviantart.net/fs70/i/2011/174/e/b/balance_by_forgottenx-d3jslah.jpg

resin http://15mmvsf.bagofmice.com/vsf/vsfp/Builder/Casting/balance.JPG

water_compete http://pixabay.com/static/uploads/photo/2014/07/09/11/45/joshua-tree-388136_640.jpg

mussels_algae http://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Gloiopeltis_furcata_in_mussel_beds%2C_SLO.jpg/512px-Gloiopeltis_furcata_in_mussel_beds%2C_SLO.jpg

leaf_cutters http://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Leafcutter_ants_transporting_leaves.jpg/512px-Leafcutter_ants_transporting_leaves.jpg

tapir http://upload.wikimedia.org/wikipedia/commons/7/7b/Central_American_Tapir-Belize20.jpg

confusum http://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Tribolium.confusum.jpg/512px-Tribolium.confusum.jpg