M1. U4. RF.

Question 1

The group of animals of the kingdom animalia without a vertebral column

Answer 1

Invertebrates

Question 2

the group of animals of the Kingdom animalia with a vertebral column

Answer 2

vertebrates

Question 3

the characteristics of an animal that shows that it can be cut in one or more planes to obtain to mirror images

Answer 3

symmetry

Question 4

the characteristic of an animal that shows It cannot be cut in any plane to obtain to mirror images

Answer 4

asymmetrical

Question 5

the type of symmetry present in an animal that can be cut in more than one vertical plane through its Centre to obtain to mirror images

Answer 5

radial symmetry

Question 6

the type of symmetry present in an animal that can only be cut in one vertical plane through its Centre to obtain to mirror images

Answer 6

bilateral symmetry

Question 7

the concentration of nerve cells at the anterior part of the body

Answer 7

cephalisation

Question 8

the outer germ layer in a developing animal embryo

Answer 8

ectoderm

Question 9

the inner germ layer in a developing animal embryo

Answer 9

endoderm

Question 10

the germ layer between the ecto and endoderm in a developing animal embryo

Answer 10

mesoderm

Question 11

the characteristic of animals which indicates that the embryo has two germ layers

Answer 11

Diploblastic

Question 12

the non-cellular jelly layer that separates the endo and ectoderm

Answer 12

mesoglea

Question 13

the characteristic of animals which indicates that the embryo has three germ layers

Answer 13

triploblastic

Question 14

an internal fluid filled cavity in the mesoderm of triploblastic animals

Answer 14

Coelum

Question 15

triploblastic animals with no coelum in the mesoderm

Answer 15

acoelomate

Question 16

triploblastic animals which have a coelum but it is not only surrounded by mesoderm tissue

Answer 16

Pseudo coelomates

Question 17

triploblastic with a true coelum in the mesoderm

Answer 17

Coelomates

Question 18

the intake of food

Answer 18

ingestion

Question 19

the removal of undigested remains

Answer 19

Egestion

Question 20

the type of digestive process which occurs when new food can only be taken in Once all food already ingested has been digested and the undigested remains are egested

Answer 20

discontinuous

Question 21

the type of digestive tract occurring in coelomate animals that have a mouth and an anus

Answer 21

Through gut

Question 22

the type of digestive process that can continue during ingestion and digestion

Answer 22

continuous

Question 23

the phylum in the animal kingdom which includes sponges

Answer 23

porifera

Question 24

the level of organisation in the phylum porifera when no tissue layers are present

Answer 24

cellular level of organisation

Question 25

the sedentary Lifestyle of sponges where they are attached to a substrate

Answer 25

Sessile

Question 26

the large opening on the top of a sponge with a vase shape

Answer 26

osculum

Question 27

the large Central cavity in the Sponge body

Answer 27

spongocoel

Question 28

specialised cells which line the spongocoel and play a role in filter breeding

Answer 28

Collar cells

Question 29

the protein fibres that together with the spicules occur between the endo and Exo term of a sponge

Answer 29

Spongin

Question 30

the phylum in the animal kingdom which includes jellyfish and bluebottles

Answer 30

Cnidaria

Question 31

the central cavity with a mouth opening to the outside as found in cnidaria

Answer 31

Coelenteron

Question 32

the cylindrical sessile body form with a basal disc found in Cnidaria

Answer 32

Polyp

Question 33

the flattened umbrella shape free swimming body form with tentacles on the edges and a mouth on the underside as found in cnidaria

Answer 33

Medusa

Question 34

specialised cells on the tentacles of cnidaria adapted to catch paralyze and grasp prey

Answer 34

stinging cells

Question 35

the invaginated sac-like structure, filled with toxic fluid, which occurs in the stinging cells

Answer 35

Nematocyst

Question 36

the trigger that responds to a chemical substance in animal prey

Answer 36

Cnidocil

Question 37

the tissue layer in cnidaria that is adapted for digestion and absorption of nutrients

Answer 37

endoderm

Question 38

the phylum in the animal kingdom which includes the flatworms

Answer 38

platyhelminthes

Question 39

the outer layer covering the epidermis which protects parasitic flatworms against enzyme action in their hosts

Answer 39

cuticle

Question 40

the type of digestive tract occurring in some flatworms with only one opening, for example a mouth at the front

Answer 40

Sac-like gut.

Question 41

process through which gases are transported in flatworms

Answer 41

diffusion

Question 42

specialised cells in platyhelminthes is responsible for excretion

Answer 42

flame cells

Question 43

the phylum in the animal kingdom which includes segmented worms

Answer 43

annelida

Question 44

the cavity in the mesoderm as found in the phylum annelida

Answer 44

Coelum

Question 45

the germ layer that gives rise to the epidermis cuticle and nervous system in annelida

Answer 45

ectoderm

Question 46

ectoderm the type of skeleton found in annelida

Answer 46

hydrostatic skeleton

Question 47

the type of digestive tract in annelida where mouth and anus occur

Answer 47

through gut

Question 48

the type of blood system found in annelida where the blood is restricted to blood vessels

Answer 48

closed blood system

Question 49

the excretory organs for nitrogenous waste in annelida

Answer 49

nephridia

Question 50

the most advanced phylum of all invertebrates

Answer 50

arthropoda

Question 51

the type of skeleton found in crustaceans

Answer 51

exoskeleton

Question 52

the polysaccharide which occurs in the exoskeleton of arthropoda

Answer 52

Chitin

Question 53

the reduced blood filled coelum in arthropoda

Answer 53

Haemocoel

Question 54

the type of blood system in arthropoda where the blood occurs in blood vessels but is not restricted to blood vessels

Answer 54

open blood system

Question 55

the specialised organs for gaseous exchange found in insects

Answer 55

Tracheae

Question 56

the most advanced phylum in the animal kingdom

Answer 56

Chordata

Question 57

the dorsal rod-like structure of connective tissue found in the embryonic stadia of animals belonging to the phylum chordata

Answer 57

notochord

Question 58

the subphylum under which animals with a vertebral column are classified

Answer 58

vertebrata

Question 59

the type of symmetry found in members of the phylum chordata

Answer 59

bilateral symmetry

Question 60

the type of skeleton occurring in chordata

Answer 60

endoskeleton

Question 61

the specialised organs for gaseous exchange found in fish

Answer 61

Gills

Question 62

the process through which dead plant and animal material are broken down to simple nutrients

Answer 62

decomposition

Question 63

the schematic representation used to indicate the evolutionary relationships between different groups of animals

Answer 63

phylogenetic tree