Flashcards in Annelida Test Deck (34):
Errant polychaetes are not tube-dwelling but are
Similar they crawl about beneath stones, shells, rock, coral, algae, and sessile animals
Pelagic polychaetes are
Gallery dwellers are
Adapted for burrowing in sand or mud
Sedentary burrowers are
Able to construct simple vertical Burris with only one or two opening to the surface
Are carnivores and extend from the tube opening to seize small invertebrate prey
Feed with a mucus bag
Omnivorous and eat with pharyngeal jaws
Christmas Tree Worms
Naididae are a family of clitellate worms like
What characteristics do all Annelida share?
Metameric symmetry; chitinous setae; coelom; closed circulatory system; complete digestive system
What are the respiratory pigments
Hemoglobin and hemerythrin
The primary excretory organ found in all Annelida is?
A pair of nephridia for each metamere
Name all sensory organs use by Annelids?
Tactile organs, taste buds, statocysts, photoreceptor cells, and eyes with lenses
Where is the brain located in annelids?
In the nervous system with a pair of dorsal cerebral ganglia connective to cord
Name the ways Annelids reproduce?
Budding, sexual, asexual, hermaphroditic
Know where each class is found in the environment?
Pogonophora- deep sea
Clitellata- in MUDs and habituated with little oxygen
The major body sections are
Prostimium, peristomium, parapodia, pugidium
Repeated body segmentation
Is segmentally arranged
Polychaetes exchange has through
Skin, gills, or parapodia
The excretory system organ is
What sensory organ orients polychaetes towards light
Polychaetes reproduce in what primary way
They shed gametes in the water to be fertilized; sexual
Eggs and sperm exit the body where
What causes swarming
Annual, lunar quarters during the last quarter of October and November
Larvae stage is