Phlyum Chordata- Fishes

Question 1

Extant lobe fin fish

Answer 1

Coelacanth

Question 2

To become spinal cord

Answer 2

Dorsal hollow nerve cord

Question 3

Ancestor of terrestrial animals

Answer 3

Tiktaalik

Question 4

Aquatic respiratory apparatus

Answer 4

Gills

Question 5

Chambers responsible for pumping of blood

Answer 5

Ventricle

Question 6

Segments of backbone

Answer 6

Vertebrae

Question 7

Phylum for animals with backbones

Answer 7

Phylum chordata

Question 8

Blood collecting sac posterior to atrium

Answer 8

Sinus Venosus

Question 9

The age of fishes

Answer 9

Devonian Period

Question 10

Regulating water and salt concentrations

Answer 10

Osmoregulation

Question 11

Chamber of heart

Answer 11

Atrium

Question 12

Subgroup of fishes with true bones

Answer 12

Lobe finned fishes

Question 13

Muscular tube connecting to aorta

Answer 13

Bulbous Arteriosus

Question 14

To be gills in fishes and jaws in humans

Answer 14

Pharyngeal pouches

Question 15

Aquatic stabilizers

Answer 15

Fins

Question 16

Structure extending beyond the anus

Answer 16

Caudal fin ( tail )

Question 17

Cartilaginous fishes including rays and chimaeras

Answer 17

Class Chondrichtyes

Question 18

Movement detecting structure down the length of a fish’s body

Answer 18

Lateral line

Question 19

Ray-finned fishes, bony fishes

Answer 19

Class Osteichthyes

Question 20

Subphylum cephalochordate (no backbone)

Answer 20

Lancelet

Question 21

Supporting structure for limbs

Answer 21

Girdles

Question 22

Embryonic life stage supporting structure

Answer 22

Notochord

Question 23

One of two major developments in fish

Answer 23

Jaws

Question 24

Bony protective covering for gas exchanging structure

Answer 24

Operculum

Question 25

Sessile adult but motile larval form

Answer 25

Tunicates

Question 26

Aquatic vertebrates having true bones

Answer 26

Bony fishes

Question 27

Is freshwater or saltwater fishes urine concentrated?

Answer 27

Saltwater fishes