Dichotomous Key with smiles
1. Teeth visible ....................go to 2
.....Teeth not visible .................go to 4
2. Has a wide, toothy smile .......Smilus toothyus
....Is not smiling ......................go to 3
3. Visibly crying .................Smilus dramaticus
.... Frowning .......................Smilus upsettus
4. Eyes are symmetrical .... go to 5
....Eyes not symmetrical .....go to 8
5. Eyes shaped like hearts ..... Smilus valentinus
....Eyes are shaped as ovals .....go to 6
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</span>6. Smiling, happy face ...... Smilus traditionalis
.....Not happy, frowning or other .....go to 7
7. Mouth curved down, frowning .... Smilus saddus
.... Mouth is a small circle .................Smilus suprisus
8. Has a pirate eye patch ...............Smilus piratus
....Does not have eye patch ............ go to 9
9. One eye is much larger than the other eye ..... Smilus mutatus
One eye is winking .................Smilus winkus
B snow melting because it turn to solid t liquid which is more energy<span />
Galileo
<span>his observations helped support the Copernican view that the planets orbited the Sun, and not the Earth as previously believed.</span>
Answer:
An example of macroevolution is the evolution of a new species. One mechanism that drives evolution is natural selection, which is a process that increases the frequency of advantageous alleles in a population. Natural selection results in organisms that are more likely to survive and reproduce.
Reproduction, I am pretty sure
Hope this help