IGHS Winkels Word Scramble
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Term | Definition |
acoelomates | "without coelom" |
coelom | a fluid-filled coelom forms between the tissues of flatworms |
pharynx | a muscular tube near the mouth |
flame cells | specialized cells that remove excess water such as ammonia and urea |
ganglia | a group of nerve cells that control the nervous system |
eyespot | a group of cells that can detect changes in the amount of light in their(flatworms) environment |
hermaphrodite | is an individual that has both male and female reproductive organs |
fission | an organism splits in two, and each half grows new parts to become a complete organism |
scolex | the head of an adult tapeworm |
proglottids | the segments that make up most of the worm's body |
testes | male reproductive organs |
pseudocoelom | body cavity is lined only partially with tissue derived from the mesoderm |
anus | the posterior opening of the digestive tract |
septa | internal walls between each segment of an annelid body |
setae | bristles that are attached to each body segment |
crop | part of the digestive tract where food is stored |
gizzard | part of the digestive tract where food is ground into smaller pieces |
closed circulatory system | blood is contained within a network of blood vessels |
gill | an organ specialized for the exchange of gases underwater |
nephridia | the excretory organ that filter fluid in the coelom |
clitiellum | a band of thickened, specialized sements, secretes a mucus ring into which eggs and sperm are released |
trochophore | free-swimming larval stage of many aquatic mollusks |
foot | takes many forms in a mollusks including flat, spade-shaped burrowing, and tentacles for capturing prey |
mantle | thin layer of tissue that covers most of the mollusk's body |
shell | made by glands in the mantle that secrete calcium carbonate |
visceral mass | located just below the mantle, consists of the internal organs |
radula | a flexible tongue-shaped structure used for feeding in slugs and snails |
siphon | tubelike structure through which water enters and leaves the body of a mollusk |
open circulatory system | blood is pumped through vessels by a simple heart |
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