18. Which characteristic is NOT typically used in the Linnaean classification system? * 1 point a. Physical features b. Genetic relationships c. Shared ancestry d. The organism's age

1 answer

The characteristic that is NOT typically used in the Linnaean classification system is d. The organism's age. The Linnaean system is primarily based on observable physical features, genetic relationships, and shared ancestry, but it does not consider the age of the organism as a classification criterion.