Class Trematoda (Phylum Platyhelminthes) Flashcards
1
Q
Are they parasitic?
A
Yes
2
Q
They have glycocalyx.
What are they?
A
- they’re covered in them
- non-living covering
- protects against host’s immune system
- allows diffusion
3
Q
Glycocalyx are covered in villi.
What are they?
A
- fingerlike projections covering the outside
- villi has microvilli → increase in surface area
4
Q
Life Cycle
A
5
Q
Life Cycle info
A
- 4 diff species involved in this life cycle
- parasite is the newest species
- parasitism is new way of life in platyhelminthes
- stop cycle by cooking fish, stop pooping in the water (rice paddies)
