Wendel Is a Farmer with a Herd of Jersey Cows

Multiple Choice

Wendel is a farmer with a herd of jersey cows.He has discovered that some cows have more fat content in their milk than others,and he interbreeds members of his herd to increase the fat content more and more.In what way would this example help Darwin explain the diversity of life on earth?

A) Not all animals that are born will survive long enough to reproduce.
B) Selective breeding in animals can lead to dramatic changes.
C) Fossil evidence indicates subtle changes in species over time.
D) Similarities among organisms show how they're related.