1. Cooperation between different species is not O usual O natural easy 2. Dogs are usually apes. aggressive toward afraid of friendly toward
3. This particular dog and orangutan behave like children people old friends
4. Their behavior has attracted the interest of a lot of scientists psychologists TV viewers

Start off with a intro sentence 
then write bullet points on interesting and important things in the passage and then write those facts into sentences 
Important fact 1 would be who this is about Gearge S and what he did. Then end your paragraph with how this was important. Hope this helps