Echinoderms and Their Characteristics Quiz

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Which of the following is a characteristic of echinoderms?

Bilateral symmetry in adults

Ventral, solid nerve cord

Radial symmetry in adults (correct)

Endoskeleton made of chitin

What system aids in movement and feeding in echinoderms?

Circulatory system

Respiratory system

Digestive system

Water-vascular system (correct)

Which of the following statements about symmetry in echinoderms is correct?

Larvae exhibit bilateral symmetry, while adults exhibit pentaradial symmetry (correct)

Larvae and adults exhibit pentaradial symmetry

Larvae and adults exhibit bilateral symmetry

Larvae exhibit pentaradial symmetry, while adults exhibit bilateral symmetry

Which of the following organisms belong to the class Ophiuroidea?

Brittle stars Signup and view all the answers

Which of the following is a characteristic of chordates?

Dorsal, hollow nerve cord Signup and view all the answers

Which of the following subphyla are the non-vertebrate chordates?

Urochordata and Cephalochordata Signup and view all the answers

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 Signup and view all the answers

Which two major clades make up the amniotes?

Synapsids and Diapsids Signup and view all the answers

Which of the following is the correct order of the major groups of bony fish?

Ray-finned, lung, coelacanth Signup and view all the answers

What type of skeletal material is characteristic of Chondrichthyans?

Cartilage Signup and view all the answers

Which of the following is NOT one of the key features that characterize amphibians?

Gills Signup and view all the answers

Which of the following orders includes alligators, crocodiles, caimans, and gharials?

Crocodylia Signup and view all the answers

What is a key feature that distinguishes toads from frogs?

Bumpy, dry skin Signup and view all the answers

Which order includes caecilians, which are legless and resemble earthworms?

Order Apoda Signup and view all the answers

Which group of animals is known for thoracic breathing, a method of respiration used in amphibians?

Order Anura Signup and view all the answers

In which class would you find animals characterized by having long bodies, tails, and smooth, moist skin?

Class Reptilia Signup and view all the answers

What type of metamorphosis do amphibians typically undergo as they transition into their adult form?

Gradual metamorphosis Signup and view all the answers

Which of the following is a key characteristic that distinguishes amphibians from their lobe-finned fish ancestors?

Presence of lungs for air breathing Signup and view all the answers

Which of the following amphibian orders includes caecilians, limbless amphibians that resemble worms or snakes?

Order Apoda (caecilians) Signup and view all the answers

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 Signup and view all the answers

What type of breathing mechanism do amphibians use, which is different from the gills used by their lobe-finned fish ancestors?

Thoracic breathing Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

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. Signup and view all the answers

Which of the following is a characteristic of the Order Apoda (caecilians)?

They are legless and have small eyes. Signup and view all the answers

Which of the following is NOT one of the key features exhibited by all living reptiles?

Gills for respiration. Signup and view all the answers

What is the primary function of thoracic breathing in reptiles?

To increase lung capacity. Signup and view all the answers

Which of the following statements about amphibians is correct?

They undergo metamorphosis from an aquatic larval stage to an adult form. Signup and view all the answers

Which of the following orders of amphibians is characterized by internal fertilization?