A. In the phylogram of mantis shrimp above, what is the sister group of Tetrasqu
ID: 176690 • Letter: A
Question
A. In the phylogram of mantis shrimp above, what is the sister group of Tetrasquillidae?
? Coronididae
? Heterosquillidae
? Tetrasquilla
? Heterosquilla
? none of the above
B. In the phylogram above, what is the outgroup?
(Please explain if outgroup represents a group (like Parasquillidae), or specific species in the group (like Faughnia)
? Faughnia + Erythrosquilla d.
? Parasquillidae
? Taku
? Faughnia
? Not enough information to tell
27 26 24 18 8 326 21 23 3 1 1 3 S 2 0 29 26 0 1 PARASQUILLIDAE Faughnia Erythrosquilla ERYTHROSQUILLDAE Lysiosquilla LYSIOSQUILLIDAE 39 Acanthosquilla NANNOSQUILLIDAE 2 LH Hadrosquilla 486 Coronida 12 3 3 30 37 CORONIDIDAE Acoridon 35 18 Paracoridon Tetrasquilla TETRASQUILLIDAE L Tectasquilla 34 Heterosquilla HETEROSQUILLIDAE Heterosquilloides Eurysquilla EURYSQUILLIDAE ALAINOSQUILLIDAE Alainosquilla Pseudo squilla PSEUDOSQUILLIDAE Hemisquilla HEMISQUILLIDAE Odontodactylus ODONTODACTYLIDAE 17 15 9 Haptosquilla I PROTOSQUILLIDAE 20 2 Gonodactylus GONODACTYLIDAE Taku I TAKUIDAEExplanation / Answer
A. A sister group is the group which is most closely related to the given group in a given phylogenetic tree. Here option B is the sister group of Tetrasquillidae according to the definition of sister group.
B. Option B that is Parasquillidae is the outgorup in the given phylogram.
Outgorup refers to a reference group whih helps in determining the evolutionary relationship among other groups. This is generaly used as a point of reference in a phylogram. Thus here Parasquillidae is the one to serve as the outgroup.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.