OMPRE SCI 2 - T2
UNIT 7
Biodiversity
く
LESSON 13
Biodiversity Unit Test
目
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Some people have attached ear lobes and some people have free ear lobes. The differences in these traits are caused by
Attached
Ear Lobe
Free
Ear Lobe
(1 point)
• differences in environment.
• differences in personality
• differences in diet
• differences in genes
1 answer
• differences in genes