Are we suppose to name a random fact? well if so opossums and possums are different animals. opossums live in north and south america, while possums live in australia and other countries.
1. Pre-Cambrian Era.
1.1 Hadean
1.2 Archean
1.3 Proterozoic
2. Paleozoic Era.
2.1 Cambrian
2.2 Ordovician
2.3 Silurian
2.4 Devonian
2.5 Carboniferous
2.6 Permian
2.6.1 Young earth creationist claims
2.6.2 "The Great Dying"
3. Mesozoic Era.
3.1 Triassic
3.2 Jurassic
3.3 Cretaceous
3.3.1 K-Pg extinction
4. Cenozoic Era.
4.1 Paleogene
4.2 Neogene
4.3 Quaternary.
According to this phyletic lineage, Cambrian (542 to 488 million years ago) and Silurian (443 to 416) are younger than Triassic (251 to 199), whereas Jurassic (199.6 to 145.5), Cretaceous (145 to 65), and Neogene ( 23 to 2.6) came later.
I dont think it is symbiotic, it is parasitic relationship. They get blood supply of human and dont give anything useful to humans
It is an example of science
Your answer is <span>D. asexual reproduction.
Hope this helps :)</span>