Fact 1: Specialization occurs when competing species evolve different adaptations.

Fact 2: For each species, mammal or bird, there are very specialized diets.

Given the two facts above, answer the question "What is an adaptation?" with the following options: 
- diet
 - gametes
 - the Sun
 - sleep
 - rest
 - toads
 - gills
 - alleles


 

 diet        