Biology Biology Practice Problems Solutions Library

Chordates Solutions Library

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25 solutions

Chordates

Q. Which of the following structures is not required to be a chordate? A) Notochord B) Dorsal, hollow nerve cord C) Pharyngeal slits or clefts D) Musc...

Solved • May 19, 2020

Chordates

Q. Which of the following is TRUE regarding hagfish and lampreys? A) They are vertebrates B) They are characterized by a bony lower jaw C) They are in...

Solved • May 7, 2020

Chordates

Q. Chordates, members of the phylum Chordata, are part of the clade Deuterostomia. Chordates include the vertebrates (animals that have a vertebral co...

Solved • Apr 23, 2020

Chordates

Q. What is the purpose of a nictitating membrane in amphibians?

Solved • Jul 25, 2018

Chordates

Q. Amphibian blood circulation is double-loop circulation. Describe how this form of blood circulation works.

Solved • Jul 25, 2018

Chordates

Q. Give two characteristics that separate Chordates from other animals. 

Solved • Jun 29, 2018

Chordates

Q. Which of the following do not have skin that is impermeable to water?a. mammalsb. birdsc. amphibiansd. reptilese. All of the above have skin imperm...

Solved • Nov 8, 2017

Chordates

Q. Before amphibians could be successful on land, they had to:a. develop a more efficient heartb. develop a way to prevent drying outc. develop lungsd...

Solved • Nov 8, 2017

Chordates

Q. Flat, chisel-shaped teeth are called:a. molarsb. premolarsc. caninesd. incisorse. none of the above

Solved • Nov 8, 2017

Chordates

Q. A characteristic that distinguishes chordates from other animals is:a. a notochordb. a nerve cordc. pharyngeal slitsd. all of the abovee. none of t...

Solved • Nov 8, 2017

Chordates

Q. Sharks must constantly swim because they lacka. pectoral finsb. a swim bladderc. gillsd. lungse. a lateral line system

Solved • Nov 8, 2017

Chordates

Q. In sharks and bony fishes, the propulsion fin is the _______________ fin.a. pectoralb. dorsalc. pelvicd. ventrale. caudal

Solved • Nov 7, 2017

Chordates

Q. Adult urochordates secrete a sack composed mainly ofa. proteinb. cellulosec. phospholipidd. gelatine. pectin

Solved • Nov 7, 2017

Chordates

Q. Amphibians bearing live young are among thea. caeciliansb. frogsc. toadsd. salamanderse. newts

Solved • Nov 7, 2017

Chordates

Q. Not all amphibians havea. cutaneous respirationb. pulmonary veinsc. lungsd. partially divided hearte. legs

Solved • Nov 7, 2017

Chordates

Q. The story of vertebrate evolution started in the ancient seas of the _______________ period.a. cambrianb. ordovicianc. devoniand. siluriane. carbon...

Solved • Nov 7, 2017

Chordates

Q. Unique among reptiles, the _______________ have a parietal eye.a. lizardsb. crocodilesc. snakesd. turtlese. tuatara

Solved • Nov 7, 2017

Chordates

Q. In the _______________ , the notochord persists in the adult.a. lanceletsb. raysc. skatesd. sharke. tunicates

Solved • Nov 7, 2017

Chordates

Q. Most paleontologists consider amphibians to have evolved froma. coelocanthsb. teleostsc. rhipidistiansd. ray-finned fishese. lung fish

Solved • Nov 7, 2017

Chordates

Q. The major factor responsible for sharks and bony fishes replacing pioneer vertebrates wasa. better jawsb. better respirationc. stronger bonesd. bet...

Solved • Nov 7, 2017

Chordates

Q. The most primitive combination of features of any chordate is found in thea. lancelet larvab. amphibian tadpolec. tunicate larvad. newly hatched sh...

Solved • Nov 7, 2017

Chordates

Q. The lancelet is an example of a(n)a. Cephalochordateb. Urochordatec. Vertebrated. Echinoderm

Solved • Nov 7, 2017

Chordates

Q. Which of the following is not a characteristic of all chordates?a. Phayngeal archesb. Diploblasticc. Body cavityd. Cephalized

Solved • Nov 7, 2017

Chordates

Q. Which of the following is not a characteristic of all chordates?a. Bilateral symmetryb. Vertebral columnc. Coelomated. Dorsal hallow nerve chord

Solved • Nov 7, 2017

Chordates

Q. An internal system of rigid material that supports the body is known as a(n)a. Hydrostatic skeletonb. Exoskeletonc. Endoskeleton 

Solved • Nov 7, 2017