29 Questions
Which of the following is a characteristic of echinoderms?
Radial symmetry in adults
What system aids in movement and feeding in echinoderms?
Water-vascular system
Which of the following statements about symmetry in echinoderms is correct?
Larvae exhibit bilateral symmetry, while adults exhibit pentaradial symmetry
Which of the following organisms belong to the class Ophiuroidea?
Brittle stars
Which of the following is a characteristic of chordates?
Dorsal, hollow nerve cord
Which of the following subphyla are the non-vertebrate chordates?
Urochordata and Cephalochordata
Which of the following features are present in vertebrates but absent in tunicates and lancelets?
Brain encased in skull and three pairs of well-developed sensory organs
Which two major clades make up the amniotes?
Synapsids and Diapsids
Which of the following is the correct order of the major groups of bony fish?
Ray-finned, lung, coelacanth
What type of skeletal material is characteristic of Chondrichthyans?
Cartilage
Which of the following is NOT one of the key features that characterize amphibians?
Gills
Which of the following orders includes alligators, crocodiles, caimans, and gharials?
Crocodylia
What is a key feature that distinguishes toads from frogs?
Bumpy, dry skin
Which order includes caecilians, which are legless and resemble earthworms?
Order Apoda
Which group of animals is known for thoracic breathing, a method of respiration used in amphibians?
Order Anura
In which class would you find animals characterized by having long bodies, tails, and smooth, moist skin?
Class Reptilia
What type of metamorphosis do amphibians typically undergo as they transition into their adult form?
Gradual metamorphosis
Which of the following is a key characteristic that distinguishes amphibians from their lobe-finned fish ancestors?
Presence of lungs for air breathing
Which of the following amphibian orders includes caecilians, limbless amphibians that resemble worms or snakes?
Order Apoda (caecilians)
Which of the following is a key adaptation that allowed amphibians to support their body weight on land?
Sturdy legs and a rib cage to support the body
What type of breathing mechanism do amphibians use, which is different from the gills used by their lobe-finned fish ancestors?
Thoracic breathing
Which of the following features of the early amphibian Tiktaalik suggests it was a transitional fossil between fish and tetrapods?
Shoulder, forearm, and wrist bones similar to those of amphibians
Which of the following is a key adaptation that allowed amphibians to successfully reproduce on land, unlike their fish ancestors?
Developing a system to prevent whole body desiccation
Which of the following statements about the Order Anura (frogs and toads) is correct?
They undergo metamorphosis from an aquatic tadpole stage to an adult form.
Which of the following is a characteristic of the Order Apoda (caecilians)?
They are legless and have small eyes.
Which of the following is NOT one of the key features exhibited by all living reptiles?
Gills for respiration.
What is the primary function of thoracic breathing in reptiles?
To increase lung capacity.
Which of the following statements about amphibians is correct?
They undergo metamorphosis from an aquatic larval stage to an adult form.
Which of the following orders of amphibians is characterized by internal fertilization?
Order Apoda (caecilians)
Test your knowledge of echinoderms with this quiz covering their spiny skin, pentaradial symmetry, endoskeleton, water-vascular system, and life cycle. Identify the class of organisms that belong to Ophiuroidea.
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