Animals Chapter 2 (lower inverts quiz)

Question 1

Example of porifera?

Answer 1

sponge

Question 2

symmetry of porifera

Answer 2

asymmetry

Question 3

what does asymmetry mean

Answer 3

no symmetry

Question 4

do porifera have tissues

Answer 4

no

Question 5

do porifera have organs

Answer 5

no

Question 6

do porifera have systems?

Answer 6

no

Question 7

how do porifera move?

Answer 7

they don’t move

Question 8

what is special or important about the porifera phylum

Answer 8

spicules, regenerate

Question 9

example of cnidarian

Answer 9

hydra, jelly-fish

Question 10

symmetry of cnidarian

Answer 10

radial

Question 11

do cnidarians have tissues?

Answer 11

yes

Question 12

how many tissue layers do cnidarians have

Answer 12

2

Question 13

do cnidarians have organs

Answer 13

no

Question 14

do cnidarians have systems

Answer 14

no

Question 15

how do cnidarians move

Answer 15

use water, tentacles

Question 16

what is special or important about the cnidaria

Answer 16

nematocyst, stinging cells

Question 17

example of platyhelminthes

Answer 17

planaria

Question 18

platyhelminthes symmetry

Answer 18

bilateral

Question 19

do platyhelminthes have tissues

Answer 19

yes

Question 20

how many layers of tissue do platyhelminthes have

Answer 20

3

Question 21

do platyhelminthes have organs?

Answer 21

yes

Question 22

name some organs that the platyhelminthes has

Answer 22

eyespots, ganglia, nerve cord

Question 23

how do platyhelminthes move

Answer 23

simple muscles

Question 24

whats special or important about platyhelminthes

Answer 24

eyespots

Question 25

example of nematoda

Answer 25

vinegar eel

Question 26

symmetry of nematoda

Answer 26

bilateral

Question 27

do nematoda have tissues

Answer 27

yes

Question 28

how many tissue layers do nematoda have

Answer 28

3

Question 29

do nematoda have organs

Answer 29

yes

Question 30

name some of the organs the nematoda has

Answer 30

ganglia, nerve cord, others

Question 31

do platyhelminthes have systems

Answer 31

yes

Question 32

what systems do platyhelminthes have

Answer 32

digestive nervous reproductive

Question 33

do nematoda have systems

Answer 33

yes

Question 34

what systems do nematoda have

Answer 34

digestive, nervous, reproductive

Question 35

how do nematoda move

Answer 35

muscles

Question 36

what is special or important about nematoda

Answer 36

2 openings! Mouth and anus

Question 37

what characteristics do flatworms and roundworms have in common

Answer 37

they are both parasitic, have bilateral symmetry, and have simple nervous systems

Question 38

sponges are the simplest organisms and annelids are much more complex, explain

Answer 38

sponges have no tissues, organs, or systems. Annelids do have all of those things and they can also move

Question 39

what characteristics are most common throughout the 4 different types of animals

Answer 39

bilateral symmetry, multicellular, special parts

Question 40

what is a coelom

Answer 40

a special place in the body for the gut

Question 41

are invertebrates usually larger or smaller if they have a true coelom

Answer 41

smaller

Question 42

what is the advantage of having a coelom

Answer 42

the gut is able to move food without interference from the movements of the body

Question 43

what are the three types of symmetry

Answer 43

asymmetry, radial, bilateral

Question 44

give an example of an organism that displays each type of symmetry

Answer 44

asymmetry- sponge
radial- jelly fish
bilateral- fluke

Question 45

what is the pattern of the chart

Answer 45

the left is the simplest and as you get closer and closer to the right, the animals are getting more complex