Shared Flashcard Set

Details

Myers - Flatworms
phylum Platyhelminthes - flatworms
35
Science
10th Grade
09/29/2008

Additional Science Flashcards

 


 

Cards

Term
Hermaphrodite/Monecious
Definition
an organism having both male and female organs.
Term
Zooid
Definition
when fission occurs, the two animals that result are called this.
Term
Fission
Definition
asexual reproduction in flatworms.
Term
Waste removal
Definition
what are the functions of protonephridia and flame cells?
Term
Light sensory
Definition
What is the function of "eyespots"?
Term
Acoelmate
Definition
any organism that lacks a cavity between the body wall and digestive tract.
Term
What is the function of parenchyma tissue?
Definition
spongy connective tissue, space filler, sometimes provides support, nutrient storage, etc.
Term
Cephalization
Definition
formation of a distinct head. occurs at the anterior end of the organism.
Term
Triploblastic
Definition
having three primary cell layers: endoderm, mesoderm, ectoderm
Term
Parasitic
Definition
most species of flatworms have this type of life cycle.
Term
Auricle
Definition
what is found on the side of a flatworm's head that is chemosensory.
Term
Anus
Definition
what is missing in a flatworms incomplete gut.
Term
Name the 4 classes of phylum platyhelminthes.
Definition
turbellaria, monogenea, trematoda, cestoidea
Term
Scolex
Definition
the head of a tapeworm
Term
Digestive system
Definition
what organ system is missing in tapeworms?
Term
Moneocious/Hermaphrodites
Definition
containing both male and female sex organs.
Term
Bilateral
Definition
the type of symmetry flatworms have.
Term
Ocelli
Definition
the light sensitive structures on a planarian.
Term
Excretory system
Definition
flame cells are part of which body system?
Term
Rhabdites
Definition
rodlike cells that swell and form a protective mucous sheath around the body.
Term
Pharynx
Definition
the most advanced turbellaria feed by extending this.
Term
fluke or trematodes
Definition
these flatworm parasites always have a mollusc, usually a snail, as part of their life cycle.
Term
protonephridia 
Definition
networks of fine tubules that run the length of the turbellarian, along each of its sides.
Term
Flame Cells
Definition
cells that contain numerous cilia that are used to rid the organism of wastes
Term
Incomplete gut
Definition
digestive system that lacks an anus
Term
Tegument
Definition
The special name for the protective bodycovering of parasitic flatworms
Term
Flatworms
Definition
The common name for the phylum Platyhelminthes
Term
anterior
Definition
towards head
Term
posterior
Definition
towards tail
Term
bilateral symmetry
Definition
having both a right and left side
Term
diffusion
Definition
movement from a high concentration to a low concentration, no energy needed
Term
Class Turbellaria
Definition
tapeworms belong specifically in this class
Term
releaser glands
Definition
glands that release a chemical that dissolves the organism's attachment
Term
adhesive glands
Definition
glands that produce a chemical that attaches to a substrate
Term
extracellular
Definition
when digestion occurs outside the cell, inside a digestive cavity
Supporting users have an ad free experience!