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Evolutionary Genealogy of Natural Species

Biological Genealogy

Advanced questions regarding the phylogenetic relationships and hereditary lineages of animal and plant species.

evolution genetics phylogeny zoology

10 Questions Hard Ages 18+ Jul 14, 2026

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About this Study Set

This study set covers Biological Genealogy through 10 practice questions. Advanced questions regarding the phylogenetic relationships and hereditary lineages of animal and plant species. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 10 questions from the Evolutionary Genealogy of Natural Species study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which extant mammalian order is phylogenetically the closest living relative to the order Cetacea?

A Perissodactyla
B Artiodactyla
C Carnivora
D Chiroptera

2 In the genealogy of Equidae, which genus represents the earliest known ancestor that diverged from the lineage leading to modern horses?

A Equus
B Merychippus
C Hyracotherium
D Mesohippus

3 Molecular phylogenetic studies indicate that the closest living relative to the order Sirenia (manatees and dugongs) belongs to which mammalian clade?

A Proboscidea
B Rodentia
C Cetartiodactyla
D Perissodactyla

4 Which plant family is genetically identified as the closest extant relative to the order Amborellales, often considered the sister group to all other flowering plants?

A Nymphaeaceae
B Magnoliaceae
C Amborellaceae
D Piperaceae

5 In avian genealogy, which group is currently recognized as the sister taxon to the order Passeriformes (perching birds)?

A Psittaciformes
B Falconiformes
C Piciformes
D Galliformes

6 Genetic analysis shows that the Giant Panda (Ailuropoda melanoleuca) diverged from the lineage of other bears approximately how many million years ago?

A 2-3 million
B 18-22 million
C 5-7 million
D 10-12 million

7 The genome of the coelacanth (Latimeria chalumnae) reveals it is more closely related to which group than to other ray-finned fishes?

A Chondrichthyes
B Tetrapoda
C Cephalochordata
D Actinopterygii

8 Which group of modern reptiles is phylogenetically the closest living relative to the order Crocodilia?

A Testudines
B Squamata
C Aves
D Rhynchocephalia

9 Phylogenetic evidence places the order Scandentia (treeshrews) as the sister group to which clade?

A Primates
B Rodentia
C Lagomorpha
D Dermoptera

10 The evolutionary lineage of the order Monotremata diverged from the common ancestor of Therian mammals during which geological period?

A Jurassic
B Cretaceous
C Triassic
D Permian

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