conditioned stimulus. Definition: in classical conditioning, an originally irrelevant stimulus that, after assocation with a US, comes to trigger a conditioned response Researcher: Ivan Pavlov Example: the previously neutral tone stimulus that now triggered the conditional salivation.î î î.efinition: in classical conditioning, a stimulus that unconditionally (naturally and automatically) triggers a response Researcher: Ivan Pavlov Example: food in mouth automatically triggers the salivary reflex.
General Sherman, the biggest tree in the world. The tree called General Sherman is not only the biggest giant sequoia, but it is also the biggest tree in the world. He is 83.8 m (274.9 feet) tall, his girth at breast height is 24,10 m (79 feet) (near the ground it is 31,3 m or 102,6 feet).
The Brotherhood Tree. Even after losing 74 feet of it's top in a in a storm, its still one of the largest living things in the world. The Brotherhood Tree (see tall photo at right) was named fin hope for the brotherhood of man. It is over 2000 years old, 19 feet in diameter, 60 feet in circumference and 297 feet tall.