Phylum Nematodes Flashcards
Coelom development
Pseudo pelo mate
What kind reproductive parts
Dioecious- distinct male and female parts
Complete or incomplete gut?
Complete gut
Free living or parasitic
Free living
How many tissue layers
Triploblastic
Why are these places on the same clade as Arthropoda?
Because of the presence of an external cuticle that protects the animal
How do they go without being detected
They mimic their host tissues
Common name
Round worms
What classes are in the phylum nematoda
Class secernentea is the most common and free living
Class secernentea consist of
Vinegar eels, soil nematodes, roundworms, heartworm, and hookworms.
Vinegar eels
Not eels
Live in acidic environments like rotting fruit
Roundworms also known as
Dog worms- toxocara
Eggs hatch and larvae travel through bloodstream
- liver and trachea
- can be fatal if not treated
Heart worms ( class secernentea)
Comes from mosquitos
The larvae migrate through the tissues eventually reaching the heart
Hookworms (class secernentea)
Suppress the host immune system to avoid being cast out or absorbed
Live in small intestine
Parasitic worms
