Platyhelminthes, Nematoda, Arthropoda

Question 1

Name the 3 characteristics of ALL the phyla that were reportedd

Answer 1

1) Bilateral Symmetry
2) Triploblastic
3) Cephalization

Question 2

This is the evolution of nervous tissues and sensory organs in the head

Answer 2

Cephalization

Question 3

What is the phylum name of Flatworms

Answer 3

Platyhelminthes

Question 4

Flatworms are hermaphroditic, meaning they have both sex organs. What is the formal term for this?

Answer 4

Monoecious

Question 5

What are the 4 classes of Playlheminthes?

Answer 5

1) Turbellaria
2) Monogenea
3) Trematoda
4) Cestoda

Question 6

What is the common name of Turbellaria?

Answer 6

Planarians

Question 7

What is another name for Trematoda?

Answer 7

Flukes

Question 8

Who are the hosts of the parasitic flukes?

Answer 8

Mollusks and Humans

Question 9

This is a serious human disease caused by flukes

Answer 9

Schistosomiasis

Question 10

What is another name for Cestoda?

Answer 10

Tapeworms

Question 11

This term refers to having separate sexes: male and female reproductive organs in separate organisms

Answer 11

Dioecious

Question 12

This term refers to a natural asexual process

Answer 12

Parthogenesis

Question 13

What does “arthropoda” mean?

Answer 13

It means jointed legs

Question 14

What does the coelom of an arthropod take the form of?

Answer 14

Hemocoel

Question 15

What are the subphyla of Arthropods?

Answer 15

1) Trilobitomorpha
2) Hexapoda
3) Crustacea
4) Myriapoda
5) Chelicerata

Question 16

The head and thorax may be fused to form a?

Answer 16

Cephalothorax

Question 17

What is the cephalothorax made of?

Answer 17

Carapace

Question 18

These are specialized mouthparts usually used for feeding, though spiders can use them to inject venom

Answer 18

Chelicerae

Question 19

What clade do Arthropoda and Nematoda belong to?

Answer 19

Ecydysozoa