8 major phyla of the animal kingdom

Question 1

what are the 8 major phyla (common names)?

Answer 1

sponges
jellyfish, coral, anemones, hydra
flatworms
segmented worms
molluscs
joint-legged animals (insects)
starfish
chordates

Question 2

what are sponges also known as?

Answer 2

“true” first multicellular animals

Porifera

Question 3

what are jellyfish, coral, anemones, hydra also known as?

Answer 3

Cnidaria

Question 4

what are flatworms also known as?

Answer 4

Platyhelminthes

Question 5

what are segmented worms also known as?

Answer 5

Annelida

Question 6

what are molluscs also known as?

Answer 6

Mollusca

Question 7

what are joint-legged animals (insects) also known as?

Answer 7

Arthropoda

Question 8

what are starfish also known as?

Answer 8

Echinodermata

Question 9

what are chordates also known as?

Answer 9

Chordata

Question 10

sponges

where do they live?

Answer 10

aquatic organism

Question 11

sponges

where are adults affixed?

Answer 11

permanently to solid surfaces

Question 12

sponges

how do they eat?

Answer 12

filter feeders
one opening (food enters waste exits)

Question 13

sponges

how many layers of cells do they have? describe them

Answer 13

double layer
outer- flat epithelial cells
inside- flagellated cells to move food around

Question 14

sponges

what are their body plans?

Answer 14

asymmetrical with no tissues

Question 15

list examples of Cnidaria (jellyfish, coral, anemones, hydra)

Answer 15

jellyfish, hydra
clam, snail, octopus
starfish, sea urchin
spider, lobster

Question 16

list examples of Platyhelminthes (flatworms)

Answer 16

parasitic tapeworms
flukes
freeliving planarians

Question 17

what are Platyhelminthes’ complexity?

Answer 17

least complex
acoelomates
3 layers of cells

Question 18

what do Platyhelminthes look like?

Answer 18

simple nervous system, brainlike concentration of eyes (distinct head end), eyespots

Question 19

give an example of Annelida (segmented worms)

Answer 19

earthworm

Question 20

what do Annelida look like?

Answer 20

segmented body, distinct head end, several organ systems

Question 21

what are the three classes of Mollusca?

Answer 21

bivalves
gastropods
cephalopods

Question 22

list examples of Mollusca (molluscs)

Answer 22

clams
mussels
oysters
scallops
snails and sligs
octopi
squids

Question 23

what are Mollusca’s body plans?

Answer 23

bilateral symmetry

Question 24

what do Mollusca’s look like?

Answer 24

3 layers of cells, coelom, 2 body openings
soft body often protected by hard shell
organ system surrounded by mantle

Question 25

how do Mollusca move?

Answer 25

use of a muscular foot

Question 26

what is the majority of animal species?

Answer 26

Arthropoda (joint legged animals- insects)

Question 27

what are the four groups of Arthropoda (joint legged animals- insects)?

Answer 27

chelicerates myriapods crustaceans insects

Question 28

list examples of Arthropoda (joint legged animals- insects)

Answer 28

``` spiders scorpions crustaceans insects mites millipedes and centipedes beetles butterflies moths ants flies bees ```

Question 29

what do Arthropoda (joint legged animals- insects) look like?

Answer 29

legs made of moveable sections connected by joints, body divided into segments, hard exoskeleton (protection)

Question 30

list examples of Echinodermata (starfish)

Answer 30

sea stars sea urchins sea cucumbers sand dollars

Question 31

where do Echinodermata (starfish) live?

Answer 31

marine animals

Question 32

what are Echinodermata's (starfish) body plans?

Answer 32

radial symmetry

Question 33

what do Echinodermata (starfish) look like?

Answer 33

spiny endoskeletons, tube feet

Question 34

what are Echinodermata's (starfish) systems like?

Answer 34

water-vascular (system of tubes, including tube feet)

Question 35

how do Echinodermata (starfish) use their "feet"?

Answer 35

forces water into feet using muscles, extending them

Question 36

what is the most familiar phyla?

Answer 36

Chordata (chordates)

Question 37

what are Chordata (chordates)?

Answer 37

vertebrate animals

Question 38

what are the types of Chordata (chordates)?

Answer 38

``` fish amphibians reptiles birds mammals ```

Question 39

all Chordata (chordates) have a notochord- what is this?

Answer 39

rod shaped structure extending the length of the body to attach muscles

Question 40

all Chordata (chordates) have a dorsal nerve cord- what is this?

Answer 40

tube shaped cord extending along the back of the body