Please NOTE There can be more than one correct answers. Part A: In the phylogram

Question

Please NOTE There can be more than one correct answers.

Part A:

In the phylogram above, what is the outgroup?

? Faughnia + Erythrosquilla d. ? Parasquillidae

? Taku

? Not enough information to tell

? Faughnia

Part B:

In the phylogram above only unambiguous characters are mapped to the clades. If a bootstrap analysis were done on the data matrix that produced this tree, it would probably

? show less support for branches with fewer characters

? have the same level of resolution

? support a different topology

? collapse some branches

? omit the outgroup

Please NOTE There can be more than one correct answers.

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 TAKUIDAE

Explanation / Answer

part -A : faughnia an outgroup can give you a sense where on the bigger tree of life the main group of organisms falls.

part-b: have same level of resolution and collapse some branches

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