Given the following sequences:

>s1
TAGGTAAACATGGGTTAAAAATCAACATAAGTCTAGATAACGTTAGGATAAATAGTGG
TTCAGTGTCTATAACAGTAGGAGACATATATCTTAAAGTTGATATGAGAAACAGTGAACTTGTGTTAAAT
GACTTAGAAAATCA

>s2
GGAGGCCATAGCCCACACTGTGCCCTTCTACGGGTGCGTAAACTGGACC
AATGAGAACTTTCCCTTCAACGACTGTGTCGACAAGATGGTGATCTGGTGGGAGGAGGGGAAGATGACCG
CCAAGGTCGTGGAGTCGGCCAAAGCCA

>s3
TTACTATCTCAGTGAGTGACGAAGAAGTTCCGGTGAAGAAGCGCCGCAGCCGGAAAA
AAGTCAGCCTGGCTGATTGTCTGGATTCGTTTGTTCCTGATGTTGATGATCTTGAGAAAGGCGACGTTAC
TGTAAGCACCGTGCGCGACCTG

1) Look for the species to which they belong.
2) Align them.
3) Download the complete genomes and compare them.