This process allows sponges to filter food from water.
Filter feeding
These are the eyes on flatworms, where they can detect light in the environment.
ocelli
This is the function of free living nematodes
Food for other animals / Break down food
True or False: all organisms in Animalia are autotrophic
False
This cell makes the spicules
Amoebocyte
Free living flatworms feed on dead organisms by extending their tube-like ______________ and releasing digestive enzymes.
pharynx
This roundworm parasite causes itchy infections and spreads easily among children.
pinworm
Animals that don't have backbones.
INVERTEBRATE
Most sponges reproduce this way by breaking off a piece that grows into a new sponge.
asexual reproduction (budding/fragmentation)
Hooks and suckers are located here on the tapeworm
Scolex
How can you prevent getting hookworms?
Wear shoes/avoid soil barefooted
Bilateral symmetry has this many planes of division (you can cut an organism in this many directions to get equal halves)
one
This cell is responsible for “catching” the food particles
Choanocyte/collar cell
Flukes are found in this class
Class Trematoda
Describe how you would get trichinosis?
Eating raw or uncooked pork
Draw examples of the three basic body plans of symmetry, of all simple invertebrates.
bilateral symmetry, radial symmetry and asymmetrical
This molecule in sponges is similar to collagen in our skin
Spongin
Flatworms can reproduce asexually and sexually.
For sexual reproduction, the flatworm contain both the male and female gametes (egg and sperm cells). What is this term called?
hermaphrodites
This is caused by a Filarial worm that blocks flow of lymph in humans resulting in severe swelling of limbs. Hence it's name.
elephantiasis

What is the head of a tapeworm?