Question 7 10 pts Non-vertebrate chordates Urochordata Invertobeata Chondrineyes

Question

Question 7 10 pts Non-vertebrate chordates Urochordata Invertobeata Chondrineyes Fishes (vertebrates) Actnistie Dipnol Amphibia Vertebrate column tetrapods Pisces Crossopterygir digits Lepid endothermia The diagram above shows the phylogenetic tree for all chordates. Tetrapods (amphibians, reptiles, birds and mammals) are the first group of vertebrates to colonize terrestrial environments. Tetrapods form a group Polyphyletic, because amphibians, reptiles, birds and mammals do not share the most recent common ancestor O Paraphyletic, because all tretrapods share a recent common ancestor but fish also descend from that ancestor although fish are not considered tetrapods O Monophyletic, because tetrapods share a recent common ancestor and all the descendants from that ancestor are considered tetrapods

Explanation / Answer

Tetrpods form a paraphyletic group

Paraphyletic, because all tetrapods share a common recent ancestor but fish also descent from that common ancestor although fish are not considered tetrapods.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.