Simple triploblasts- flatworms and others

Question 1

Three features of the phylum Byrozoa?

e.g. plumatella

Answer 1

MOSS ANIMLS
Use lophophores to catch food
Through gut with anus

Question 2

What are 3 features of protostomes?

FIRST MOUTH

Answer 2

Bilaterally symmetrical
Divided in early evolution into lophotrochozoa and ecydysozoa
Anterior Brain

Question 3

Three features of the phylum Brachipoda?

ARM FOOT

Answer 3

Feed with motile lophophore
Two part hinged shell
Trocohphore larave settle and develop into animals

Question 4

Three features of the phylum Rotifera?

WHEEL BEARERS

Answer 4

Move by beating cilia
Food ground in gut by MASTAX
Some reproduce parthenogenetically

Question 5

Three features of platyhelminthes?

FLATWORMS

Answer 5

Parasites
excretory organs called protonephridia
Triploblastic

Question 6

Three examples of platyhelminthes

Answer 6

Dugesia, schistosoma, Taenia

Question 7

The four classes of platyhelminthes

FLATWORMS

Answer 7

turbellaria, trematoda, cestoda, monogenea

Question 8

Three features of turbellaria

Answer 8

predators
swim by muscular undulations
sense organs

Question 9

Three features of Trematoda

FLUKES

Answer 9

generate lots of offspring
Can have intermediate and definitive host
Can alter hosts behaviour

Question 10

Three features of cestoda

TAPEWORM

Answer 10

No gut, absorb nutrients through gut
Scolex attaches to host gut lining
Proglottids