In the 19th century, found that difference thresholds reflect ratios rather than absolute amounts.

This is science by the way which of the following is an example of an environmental pressure a. the air pressure in the atmosphere b. a lake that is gradually running out of water c. a fight between two members of the same species d. breeding between two members of the same species

The closer the genetic link between two individuals, the greater the correspondence

Indicates a bal of .05 or higher. a. loss of judgment b. altered mood c. weakened vision d. having trouble steering