32 Questions
What is the main characteristic that distinguishes deuterostomes from protostomes?
The blastopore becomes the anus in deuterostomes, while it becomes the mouth in protostomes
Which of the following is NOT a characteristic of chordates?
Radial cleavage during embryonic development
What is the function of the endostyle in chordates?
Produces mucus for the pharynx
Which of the following is a key characteristic that all members of the Deuterostomia superphylum share?
Blastopore becomes the anus
What is the function of the post-anal tail in chordates?
To provide additional locomotion
What is the defining characteristic of the skull structure in anapsids?
Anapsids have no temporal fenestrae
Which of the following amniote groups is characterized by having two temporal fenestrae in their skull?
Diapsids
Which reproductive strategy is common among reptiles?
Oviparity
What is the skin adaptation that helps reduce water loss in reptiles?
Scaly skin
Which of the following is not considered a living group of reptiles?
Aves
Which subphylum consists of small filter feeders that bury in the mud?
Cephalochordata
Which group of fish has a skeleton made of cartilage?
Jawless fish
What is the main characteristic that separates lampreys from hagfish?
Presence of jaws
Which class of vertebrates has the largest class size?
Bony Fishes
What structure allows for costal ventilation of the lungs in amniotes?
Chorion
Which order of amphibians is known for being tailed?
Urodela
What anatomical feature characterizes Class Sarcopterygii of fishes?
'Fleshy, lobed fins'
What is the defining characteristic of Class Mammalia?
Endothermic
Which group includes alligators, crocodiles, and gharials?
Crocodilia
What is the main adaptation for flight in birds?
Feathers: modified scales; aid in insulation
Which order includes lizards and snakes?
Squamata
What is the significance of Archaeopteryx in relation to birds and dinosaurs?
Archaeopteryx is an intermediate between birds and dinosaurs
Which animal group has adaptations such as ultralight skeletons with hollow bones?
Pterosaurs
What is the name of the order that includes felines and canids?
Order Carnivora
Which order lays leathery eggs after approximately 2/3 of the developmental period?
Order Monotremes
Which group has adaptations for tree climbing, a rotating shoulder joint, and typically gives birth to one offspring per pregnancy?
Order Primates
Which group of mammals have anteaters, armadillos, and sloths as members?
Xenarthra
Which order includes lemurs, tarsiers, monkeys, apes, and humans?
Order Primates
Which order of mammals has a chorioallantoic placenta and consists of most mammal species?
Order Eutherians
Which clade includes elephants, hyraxes, and manatees as members?
Afrotheria
Which group of mammals is known for being the only ones capable of sustained flight?
Order Chiroptera
Which order of mammals are known as 'flesh devourers' and have canine teeth?
Order Carnivora
Test your knowledge on the characteristics of Deuterostomia in the context of Eumetazoa diversity. Learn about the key features that differentiate deuterostomes from protostomes, such as bilateral symmetry, triploblastic nature, and the fate of blastopore. Explore the categories within Deuterostomia including Ambulacraria, Chordata, and more.
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