Studied by 10 people
Triploblastic
organism that has ectoderm, mesoderm, endoderm
Protostome
mouth is formed before anus
Chemoreceptors
on head, helps find prey (tastebuds)
Flame cells
Where nitrogenous waste is excreted (Platyhelminthes)(Turbellaria)
Cerebral Ganglia
precursor of brain, helps detect touch, water currents and chemicals.
Auricles
contains chemoreceptors to help locate food
Ocelli
eye spots that help detect light
Transverse Fission
How planarians reproduce asexually
Proglottids
long repeating units that contain reproductive structures
Regeneration
regeneration
Photoreceptive, Negative and positive
Move away from light (Negative), move towards light (Positive)
Zooids
Two new halves of a split planarian
Setea
grips the soil like sneakers, works together with muscles to move through soil
Parapodia
used for movement
Pharynx
main ingestive organ (Platyhelminthes)(Turbellaria)
Esophagus
passes into tube
Crop
temporary storage packet
Typhosole
folding which increases surface area of the intestine
Closed and opened circulatory system
closed system = blood in vessels
open system = blood everywhere
Aortic Arches
5 pair of muscular tubes that link ventral and dorsal vessels
Nephridia
eliminates cellular waste (Annelida)(Oligochaeta)
Clitellum
holds earthworms together during reproduction, sperm is injected into this
Cuticle
covers bodies and is made of collagen (Nematoda)
Note 
Flashcard (45)