VERTEBRATES CHARACTERISTICS
Fish, amphibians, reptiles, birds and mammals are:
a. Vertebrates
b. Invertebrates
a. Vertebrates
They are adapted to swim, they are:
a. Hydrodynamic
b Aerodynamic
a. Hydrodynamic
Fishes with a round mouth full of teeth are called:
a. Jawless fish
b. Bony fish
a. Jawless fish
Amphibians are:
a. Ectotherms
b. Endotherms
a. Ectotherms
Frogs and toads are:
a. Anurans
b. Urodeles
a. Anurans
Vertebrate animals have:
a. Radial symmetry
b. Bilateral symmetry
c. They are asymmetric
b. Bilateral symmetry
Fish are:
a. Endotherms
b. Ectotherms
c. Isotherms
b. Ectotherms
Most highly evolved fish with the gills covered by an operculum are:
a. Jawless fish
b. Bony fish
c. Cartilaginous fish
b. Bony fish
Amphibians reproduce sexually. They lay their eggs in water since the eggs:
a. Don't have an impermeable shell
b. Have an impermeable shell
a. Don't have an impermeable shell
Newts are:
a. Anurans
b. Urodeles
c. Caecilians
b. Urodeles
Their temperature varies with the temperature of the environment:
a. Endothermic animals
b. Ectomorphic animals
c. Ectothermic animals
d. Endomorphic animals
c. Ectohtermic animals
Fish reproduce sexually, most of them have external fertilization and most of them are:
a. Oviparous
b. Viviparous
c. Ovoviviparous
a. Oviparous
Gill slits and denticles are characteristics of:
a. Jawless fish
b. Bony fish
c. Cartilaginous fish
c. Cartilaginous fish
Amphibians inhabit terrestrial environment but they are always in contact with water. They need water for:
a. Respiration
b. Reproduction
c. Both are correct
c. Both are correct
Urodeles have:
a. Short body and tail
b. Long body and tail
c. Long body and no tail
b. Long body and tail
Intrauterine cannibalism is a behaviour in some carnivorous species during the embryonic development. Which group of vertebrates exhibit this behaviour?
a. Fish
b. Amphibians
c. Reptiles
d. Birds
e. Mammals
a. Fish
a. Swim bladder
b. Operculum
c. Lateral line
c. Lateral line
a. Jawless fish
b. Bony fish
c. Cartilaginous fish
d. They are not a fish
b. Bony fish
Adult amphibians respiration is:
a. Cutaneous and with gills
b. Pulmonary
c. With gills
d. Pulmonary and cutaneous
d. Pulmonary and cutaneous
Group of limbless (no extremities), vermiform or serpentine amphibians. The body is cylindrical dark brown or bluish black in colour.
a. Toads
b. Newts
c. Caecilians
c. Caecilians
In vertebrate animals fertilization can be internal or external. Which of these animals have external fertilization?
a. Sharks
b. Frogs
c. Turtles
d. Eagles
e. Cats
b. Frogs
Fish are:
a. Carnivores, herbivores or omnivores
b. Only carnivores
c. Only herbivores
d. Carnivores or herbivores
a. Carnivores, herbivores or omnivores
The heterocercal tail of a shark is:
a. A caudal fin with asymmetrical lobes
b. A dorsal fin with asymmetrical lobes
c. A pelvic fin with asymmetrical lobes
d. A caudal fin with symmetrical lobes
a. A caudal fin with asymmetrical lobes
Mst amphibians go through the following stages in the metamorphosis process. Choose the correct order:
a. Adult frog, froglet, egg, tadpole, tadpole with legs
b. Egg, tadpole, tadpole with legs, froglet, adult frog
c. Tadpole, tadpole with legs, eggs, froglet, adult frog
b. Egg, tadpole, tadpole with legs, froglet, adult frog
The axolotl is an amphibian that keeps the juvenile traits when adults. To which group of the following is the axolotl more related to:
a. Frogs
b. Newts
c. Toads
d. Salamanders
e. Caecilians
d. Salamanders