(6a) Please draw a phylogeny that shows relationships between the following groups: Haikouicthys Ostracoderms Chimaeras Hagfishes Lancelets Lampreys Placoderms Tunicates Sharks Bony Fishes (6b) Onto this phylogeny, please place the following traits. You may have a trait evolve more than once or be lost in some groups after evolving, but the final trait placements should correctly reflect which groups are known to have the trait in question Jaws Buccopharyngeal pumping Internal fertilization Mineralized tissue Pelvic claspers in males Hyostylic jaw articulation Lateral line system Cartilaginous endoskeleton Hox Gene Duplication Two nostrils (6c) For three of these traits, please explain how you arrived at this placement
(6a) Please draw a phylogeny that shows relationships between the following groups:
Haikouicthys
Ostracoderms
Chimaeras
Hagfishes
Lancelets
Lampreys
Placoderms
Tunicates
Sharks
Bony Fishes
(6b) Onto this phylogeny, please place the following traits. You may have a trait evolve more than once or be lost in some groups after evolving, but the final trait placements should correctly reflect which groups are known to have the trait in question
Jaws
Buccopharyngeal pumping
Internal fertilization
Mineralized tissue
Pelvic claspers in males
Hyostylic jaw articulation
Lateral line system
Cartilaginous endoskeleton
Hox Gene Duplication
Two nostrils
(6c) For three of these traits, please explain how you arrived at this placement.
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