Show:
Phylum and Class
Parasites
Feeding and Digestion
Reproduction
Characteristics
100
All flatworms belong to this Phylum
Platyhelminthes
100
What is a primary host?
One in which the parasite reproduces sexually
100
How many openings do Platyhelminthes have?
One
100
What is cross fertilization?
When hermaphrodidic worms exchange sperm between them
100
what is a coelum?
body cavity formed from mesodermal tissue
200
Name the 3 classes of flatworms
Turbellaria, Trematoda, Cestoda
200
What 2 features make tapeworms unique?
scolex and proglottids
200

What phylum do round worms belong to?

Nematodes
200
In what 2 ways do Platyhelminthes reproduce?
sexually and through fission
200
They have paired appendages called setae
Polychaetes
300

What are 2 types of Annelids?

Oligocheates, Polycheates, Leeches, and Earthworms

300
How do you distinguish between male and female ascarids/
Male bodies form a hook at one end
300
What is a casting and to which PHYLA and CLASS can they be attributed?
excretion of wastes, both metabolic and sand, etc. Annelida, class Oligochaeta
300
roundworms reproduce through _____________ fertilization
internal
300
Planarians use these to detect light
eyespots
400
Trichinosis (a worm disease) cause by what.
Eating undercooked pork or other meats that is infected with worms
400
What is a disease vector and give an example
An animal that spreads the parasite- mosquitos
400
Hookworms feed on this
Hosts blood
400
What is a clittelum?
specialized segments in the earthworm that secrete a mucus ring for the protection of fertilized eggs.
400
Internal walls between the segments of annelids are called
septa
500
What are 4 parasitic nematodes?
Trichinella, Filarial, Ascarids, hookworms
500
What two hosts do trematodes infect?
humans and snails
500
Parasitic worms obtain nutrients this way
Through absorption
500
some worms can release up to ______________ eggs in one day
200,000
500
Muscles function like a hydrostatic skeleton in this Phyla
Nematoda