Animal kingdom

Question 1

Hierarchy of biological classfication

Answer 1

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 2

the commonly used toad in the laboratory is scientifically known as

Answer 2

Bufo marinus

Question 3

9 phyla

Answer 3

Porifera
Cnidaria
Platyhelminthes
Nemathelminthes
Mollusca
Annelida
Arthropoda
Echinodermata
Chordata

Question 4

sponges

Answer 4

porifera

Question 5

They are considered the lowest forms of multicellular animals

Answer 5

Phylum porifera

Question 6

the body cavities are divided among certain cells, hence their bodies are said to be organized on the cellular level unlike protozoan

Answer 6

sponges

Question 7

the body is perforated with pores organized into a system of canals

Answer 7

sponges

Question 8

it has a skeleton of spicule or sponging fibers or both

Answer 8

sponges

Question 9

generally sterile, no organs, no digestive tract, and no well-defined tissues

Answer 9

sponges

Question 10

classes of phylum porifera

Answer 10

Class calcarea
class hyalospongia
class demospongeae
class sclerosponeae

Question 11

calcareous sponges with spicules made up of calcium carbonate may be one, three, four rayed

Answer 11

class calcarea

Question 12

glass sponges with silicious spicules, 6-rayed spicules

Answer 12

class hyalospongia

Question 13

internal skeleton maybe silicious, made up of sponging fibers or both

Answer 13

class demospongeae

Question 14

internal skeleton is hard in some species, opposite of aragonite

Answer 14

class sclerosponeae

Question 15

leucosolenia

Question 16

grantia

Question 17

euplectella aspergillum

Question 18

spongilla

Question 19

euspongia officinalis

Question 20

leiodermatium

Question 21

derive from Greek knide (nette), referring to the specialized stinging cells

Answer 21

phylum cnidaria

Question 22

exhibit biradial symmetry around the longitudinal axis of the oral or aboral ends

Answer 22

phylum cnidaria

Question 23

they exhibit attached polyps and free medusae

Answer 23

phylum cnidaria

Question 24

polyp form, medusa with velum or both, maybe single or colonial

Answer 24

class hydrozoa

Question 25

mainly medusa

Answer 25

scyphozoa

Question 26

polyp form only, generally colonial but some are solitary

Answer 26

anthozoa

Question 27

consist of epidermis, gastrodermis, and mesoglea

Answer 27

phylum cnidaria

Question 28

outermost cells

Answer 28

epidermis

Question 29

inner layer made of triangular and vacuolated cells

Answer 29

gastrodermis

Question 30

non-cellular layer between the epidermis and gastrodermis

Answer 30

mesoglea

Question 31

central, lighter lumen

Answer 31

gastrovascular cavity

Question 32

hydra

Question 33

obelia

Question 34

nepthya

Question 35

acrometoides

Question 36

isis

Question 37

metridium