SCIENCE BIODIVERTTY UNIT TEST.
SOME PEOPLE HAVE ATTACHED EAR LOBES AND SOME PEOPLE HAVE FREE EAR LOBES. THE DIFFERENCES IN THESE TRAITS ARE CAUSED BY.
1. DIFFERENCES IN ENVIROMENT.
2. DIFFERENCES IN PERSONALITY.
3. DIFFERENCES IN DIET.
4. DIFFERENCES IN GENES.
4. DIFFERENCES IN GENES.
The trait of attached earlobes or free earlobes is determined by specific genes that individuals inherit from their parents. This trait is not influenced by differences in environment, personality, or diet.