Pavlov's experiment was a typical case of classical conditioning because an instinctive behavior was tied to a different stimulus an instinctive behavior was stopped due to lack of reinforcement a new behavior was learned due to positive reinforcement

List two modern organisms that have pentameral symmetry

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

The negative impacts of nonnative species generally outweigh the positive impacts