Platyheminthes
What kind of symmetry do Platyhelminthes have?
bilateral?
The mouth of a flatworm is used for _______ and ________ (food)
Ingestion and Egestion
Where in the host do the worms live?
The digestive tract/intestines?
Flatworms _______ a formal respiratory system.
Lack
What kingdom are Platyhelminthes and Nematoda in?
Animalia or Animal
They are the simplest phylum with true _____ and _________
Organs and Organ Systems
Flukes have a ______ digestive system
Simple
There are this many species of tapeworms
6,000
Flatworms have this kind of nervous system
Centralized
____% of flatworms are parasitic
80%
Planarians and other turbellarians are usually _______ and eat small invertebrates
Carnivores
How long can a tapeworm grow to become?
over 130 feet
Flatworms have two eyes spots called ________
Ocelli
True or False, flatworms DO have a body cavity
False, they have no body cavity
_______ is released in the gastrovascular cavity, further digesting food
Enzymes
Almost all flatworms are ________ and have male and female organs.
hermaphrodites
There are _____ classes of flatworms
4
Platyhelminthes can range in size between a millimeter to over _____ feet long?
130 feet
Nutrients are _______ through the wall of the gastrovascular cavity
Absorbed
The head of a tapeworm is called this
Scolex
A planarian can _______ if it is cut in half to form a new worm
Regenerate
Tapeworms live inside the ______ of vertebrate hosts
Intestines