Platyhelminthes Flashcards
Characteristics, classes, examples
Turbullaria are……
Non parasitic
Turbullaria don’t need
Cuticular covering
…….. Produces mucus in turbullaria
Subepidermal rhabdites
In planaria, there is a ….. Which protrudes into the food
Pharynx
Body of monogenic is covered by
Tegumen
Monogenea are ……
Parasitic
Tematoda are therwise known as
Fluke
……harbours female fluke during reproduction
Gynocophobic groove
Polyembryony occurs in
Snail host of fluke
Fasciola is otherwise known as
Liver fluke
Metacercaria are present on
Aquatic plants
Platyhelminthes are generally called
Flatworms
They have an …… System with ……. tubes ednjng in ….. Cells
Osmoregulatory, protoneophridial ending in flame cells
Platyhelminthes are……
Triploblastic acoelomate
They do not have
Bollood, vascular and excretory systems
Acoelomate means
No body cavity outside the enteron( digestive tract)
They are complex with ….. Gut with… Opening without ….
Incomplete, single without anus
Platyhelminthes are…… Meaning they have both male and female sex organs
Monoecious
Flatworms have well-developed
Tissues and organs
The symmetry of platyhelminthes is
Bilateral
Advancements of platyhelminthes include
Cephalization Triploblastic body Tend towards centralisation of nervous system Bilateral symmetry Well-feveloped tissues and organs.
Cephalization means
Evolutionary tendency to concentrate sensory and neural cells in the anterior part of the head
Classes of platyhelminthes are
Turbellaria, trematoda, monogenea, Cestoda
