Among the options provided, "scars" are caused by environmental variation. Scars typically result from injuries, surgery, or other environmental factors that affect the skin. The other features—wing size, blood type, and eye color—are largely influenced by genetic factors rather than environmental variation.
Which of these features is caused by environmental variation?(1 point)
Responses
wing size
wing size
blood type
blood type
scars
scars
eye color
1 answer