1. (biology) a theory of how characteristics of one generation are derived from earlier generations

Type of: scientific theory

• shepherd
• shepherd dog
• shepherd's clock
• shepherd's crook
• shepherd's pie
• shepherd's pipe
• shepherd's pouch
• shepherd's purse
• shepherdess
• Sheraton
• sherbert
• sherbet
• sherd
• shereef
• dog flea
• dog food
• dog grass
• dog hobble
• dog hook
• dog in the manger
• dog laurel
• dog mercury
• dog paddle
• dog pound
• dog racing