Animal kingdom part 3

Question 1

includes multicellular animals which exhibit cellular level of
organisation and have characteristic flagellated choanocytes

Answer 1

Porifera

Question 2

have tentacles and bear cnidoblasts

Answer 2

Coelenterates

Question 3

are marine animals with comb
plates.

Answer 3

Ctenophores

Question 4

have flat body and exhibit bilateral symmetry.

Answer 4

Platyhelminthes

Question 4

show distinct suckers and hooks.

Answer 4

Parasitic forms

Question 5

are pseudocoelomates and include parasitic as well as non-parasitic
roundworms

Answer 5

Aschelminthes

Question 6

are metamerically segmented animals with a true coelom

Answer 6

Annelids

Question 7

are the most abundant group of animals characterised
by the presence of jointed appendages

Answer 7

Arthropods

Question 8

have a soft body surrounded by an external calcareous shell. The body is covered with external skeleton made of chitin

Answer 8

Molluscs

Question 9

Possess a spiny skin. Their most distinctive feature is the presence of water vascular system.

Answer 9

Echinoderms

Question 10

are a small group of worm-like marine animals. They
have a cylindrical body with proboscis, collar and trunk.

Answer 10

Hemichordates

Question 11

includes animals which possess a notochord either
throughout or during early embryonic life.

Answer 11

Phylum chordata

Question 12

Some of the vertebrates do not possess jaws

Answer 12

Agnatha

Question 13

most of the vertebrates possess jaws

Answer 13

Gnathostomata

Question 14

Agnatha is
represented by the class,

Answer 14

Cyclostomata

Question 15

Gnathostomata has two super
classes,

Answer 15

Pisces and tetrapoda

Question 16

bear fins for locomotion and are grouped under Pisces

Answer 16

Classes Chondrichthyes and Osteichthyes

Question 17

are fishes with cartilaginous endoskeleton and are marin

Answer 17

Chondrichthyes

Question 18

have two pairs of limbs
and are thus grouped under Tetrapoda.

Answer 18

Classes Amphibia, Reptilia, Aves and Mammalia

Question 19

have adapted
to live both on land and water

Answer 19

Amphibians

Question 20

Are characterized by dry and cornified skin

Answer 20

Reptiles

Question 21

Fishes, amphibians
and reptiles are (cold-blooded)

Answer 21

poikilothermous

Question 22

are warm-blooded
animals with feathers on their bodies and forelimbs modified into wings
for flying. H

Answer 22

Aves

Question 23

are adapted for walking, swimming, perching or
clasping.

Answer 23

Hind limbs

Question 24

presence of mammary
glands and hairs on the skin.

Answer 24

Unique features of mammals