Which of the following best describes natural selection?
1. A tornado wipes out 95% of a beetle population and is repopulated with the remaining beetles;
2. Some wombats have longer nails, enabling them to obtain food more efficiently and survive;
3. An individual from a neighboring population of giraffes joins a new herd bringing in new genes;
4. A mutation in the fenetic code
causes some mice to produce a protein and have white fur

Which of the following best describes natural selection?

A tornado wipes out 95% of a beetle population and is repopulated with the remaining beetles

Explanation:

The correct answer is: 2. Some wombats have longer nails,enabling them to obtain food more efficiently and survive;

Explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

whats the drop down answers ?

explanation: