Sorry, Charlie, only the best deniers can answer questions correctly (some of the time).<quoted text>Wikipedia scores its pages, the quality is listed as 'Start Class' Here's what the score means:
"The article has a usable amount of good content but is weak in many areas, usually in referencing. Quality of the prose may be distinctly unencyclopedic, and MoS compliance non-existent; but the article should satisfy fundamental content policies such as notability and BLP, and provide enough sources to establish verifiability. No Start-Class article should be in any danger of being speedily deleted."
<quoted text>That's right, only humans can perform experiments. Experiments can be done in the field, in a hospital or in the lab; the location isn't important but the procedure to control variables is important.
<quoted text>The word 'goal' means the experiment is deliberate.
I'll repeat the definition so you can learn more:
"An experiment is a orderly procedure carried out with the goal of verifying, falsifying, or establishing the validity of a hypothesis. "
Recall Jane Goodall's account of a chimp experimenting with the best way to get plenty of those tasty termites by inserting and re-inserting a stick into the mound and licking off the bugs which clung to it when withdrawn.
If I felt like researching or if I had the time, I'd cite a few more instances of animals conducting experiments for your dumb ass, but that's one good example. You've probably forgotten (or maybe you never did it) the ways in which children experiment in life, in order to learn, and without a rules-master like you overseeing them.