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Microbiotheria -Woodburnodontidae Microbiotheriidae Notoryctemorphia Notoryctidae Yaraloidea Yaralidae -Thylacomyidae Peramella -Peramelidae Perameloidea Polyprotodonta -Chaeropodidae -Peroryctidae Diprotodontia -Thylacinidae Dasyuromorphia -Myrmecobiidae -Dasyuridae Phascolarctimorphia Phascolarctidae -+Thylacoleonidae -?+Wynyardiidae -+Ilariidae Vombatiformes Vombatimorphia -+Maradidae -Vombatidae -+Palorchestidae -Diprotodontidae Burramyoidea Burramyidae -Phalangeridae Phalangeriformes Phalangeroidea Phalangerida Petauroidea -?+Pilkipildridae -+Ektopodontidae -+Miralinidae -Acrobatidae -Tarsipedidae -Petauridae Pseudocheiridae Macropodiformes -?+Balbaridae Macropodoidea -Hypsiprymnodontidae Potoroidae -Macropodidae Fig 3.2: Phylogeny of the Australidelphia marsupials, with extant Orders highlighted. 1. Australidelphia is the group of organisms that gave rise to all Australian marsupials. In Fig 3.1, you learned about the Microbiothermian marsupial Monito del Monte. In Fig 3.2, you are given the phylogeny for all the Australidelphia marsupials. Based on this phylogeny, where did marsupials first evolve? Justify your answer.

          Microbiotheria
-Woodburnodontidae
Microbiotheriidae
Notoryctemorphia Notoryctidae
Yaraloidea Yaralidae
-Thylacomyidae
Peramella
-Peramelidae
Perameloidea
Polyprotodonta
-Chaeropodidae
-Peroryctidae
Diprotodontia
-Thylacinidae
Dasyuromorphia -Myrmecobiidae
-Dasyuridae
Phascolarctimorphia Phascolarctidae
-+Thylacoleonidae
-?+Wynyardiidae
-+Ilariidae
Vombatiformes
Vombatimorphia
-+Maradidae
-Vombatidae
-+Palorchestidae
-Diprotodontidae
Burramyoidea Burramyidae
-Phalangeridae
Phalangeriformes
Phalangeroidea
Phalangerida
Petauroidea
-?+Pilkipildridae
-+Ektopodontidae
-+Miralinidae
-Acrobatidae
-Tarsipedidae
-Petauridae
Pseudocheiridae
Macropodiformes
-?+Balbaridae
Macropodoidea
-Hypsiprymnodontidae
Potoroidae
-Macropodidae
Fig 3.2: Phylogeny of the Australidelphia marsupials, with
extant Orders highlighted.
1. Australidelphia is the group of organisms that gave rise to
all Australian marsupials. In Fig 3.1, you learned about the
Microbiothermian marsupial Monito del Monte. In Fig 3.2,
you are given the phylogeny for all the Australidelphia
marsupials. Based on this phylogeny, where did marsupials
first evolve? Justify your answer.

Show more…

microbiotheria woodburnodontidae microbiotheriidae notoryctemorphia notoryctidae yaraloidea yaralidae thylacomyidae peramella peramelidae perameloidea polyprotodonta chaeropodidae peroryctid 19844

Added by Kathleen B.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Adi S

09/14/2023

Step 1

g., the Monito del Monte) branches off first from the rest of the Australidelphia. Show more…

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Microbiotheria -Woodburnodontidae Microbiotheriidae Notoryctemorphia Notoryctidae Yaraloidea Yaralidae -Thylacomyidae Peramella -Peramelidae Perameloidea Polyprotodonta -Chaeropodidae -Peroryctidae Diprotodontia -Thylacinidae Dasyuromorphia -Myrmecobiidae -Dasyuridae Phascolarctimorphia Phascolarctidae -+Thylacoleonidae -?+Wynyardiidae -+Ilariidae Vombatiformes Vombatimorphia -+Maradidae -Vombatidae -+Palorchestidae -Diprotodontidae Burramyoidea Burramyidae -Phalangeridae Phalangeriformes Phalangeroidea Phalangerida Petauroidea -?+Pilkipildridae -+Ektopodontidae -+Miralinidae -Acrobatidae -Tarsipedidae -Petauridae Pseudocheiridae Macropodiformes -?+Balbaridae Macropodoidea -Hypsiprymnodontidae Potoroidae -Macropodidae Fig 3.2: Phylogeny of the Australidelphia marsupials, with extant Orders highlighted. 1. Australidelphia is the group of organisms that gave rise to all Australian marsupials. In Fig 3.1, you learned about the Microbiothermian marsupial Monito del Monte. In Fig 3.2, you are given the phylogeny for all the Australidelphia marsupials. Based on this phylogeny, where did marsupials first evolve? Justify your answer.

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Transcript

00:01 So, in this question we are given a tree of various lineages, tree of various lineages is given and we need to answer the questions related to it.

00:11 So, firstly we have to tell which is the closest living relative of gliers, closest relative of gliers.

00:22 Now from the tree we can see that the gliers they include rat and mouse and the closest relative to rat and mouse is the rabbit because they share common ancestor.

00:36 If rat and mouse is present here, the rabbit is present here and they share a common ancestor.

00:44 So, the closest living relative of gliers is the rabbit.

00:48 Then second we are asked what is the group in which platypus, monodelphys, monodelphys and eutherians are present.

01:03 Eutherians.

01:05 So, from the tree we can see that here are the eutherians where there is a complete group called as the eutherians.

01:16 Then eutherians and monodelphys they share a common ancestor.

01:21 So, here is monodelphys and they share a common ancestor and then we have a separate, then we have a separate group called as the platypus, platypus and this group collectively is known as the mammalia.

01:45 So, mammalia is the group which contains platypus, monodelphys and also the eutherians.

01:51 Then third we are given a group of primates which includes the galago.

01:58 Primates also include the galago.

02:00 Is it a monophyletic group? monophyletic group...

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