HSA 2007 Biology Item 7
- CID
- CID5548e9fbcaf1b90f5e2dfd02e768a7c0
- itemNum
- 7
- initialLetter
- A
- itemType
- SR
- itemAnswerKey
- 3
- itemMaxScorePoints
- 1
- origNum
- x
The ears of foxes help to regulate body heat. The fennec fox lives in the North African desert and has large ears that release body heat. The Arctic fox lives in cold climates and has small ears that conserve body heat.
Which of these processes led to the development of different ear sizes in foxes?
- selective breeding
- succession
- natural selection
- mutualism