Image sources:

• – Killer Trees:
  http://www.pixdatabase.com/data/r/o/l/rolljack/medium/6150-wo124-umbrella-thorn-acacia-tree-s3.jpg

  http://news.nationalgeographic.com/news/bigphotos/images/070611-sudan-animals_big.jpg

• – Fishzilla:
  http://www.lugaluda.com/wp-content/uploads/2009/05/snakehead_fish.jpeg

  http://farm2.static.flickr.com/1003/1366621805_5cca3899ab.jpg

• – Sea Cucumber:
  http://en.wikipedia.org/wiki/File:Espardenya_%28animal%29.jpg
• – Duck-Billed Platypus:
  http://people.whitman.edu/~yancey/platypus1.jpg
• – Alcon Blue Butterflies and Ichneumon eumerus Wasps:
  http://www.david.element.ukgateway.net/butterflies10lycaenidaeblues_files/image012.jpg

Sources: