Ecological observations tend to be general trends rather than absolute laws, as evolution is a messy and gradual process. Cetaceans are another example of a gro

Ecological observations tend to be general trends rather than absolute laws, as evolution is a messy and gradual process. Cetaceans are another example of a group that violates the trend, being both extremely intelligent and their enviroment necessitating extremely precocial young to avoid their offspring drowning.