chapter 26 vocab Flashcards
resistant, thick walled structure that encloses and protects a dormant organism.
cyst
an asexually produced stage in the life cycle of plasmodium that infect other cells
merozite
protein covering of a paramecium
pellicle
cytoplasmic extension that functions in movement of amoeba
pseudopodia
single celled eukaryotic protist that is able to move independently
protozoa
the union of two protists to exchange genetic material
conjugation
form of cell division that results in a number of identical individuals
multiple fission
spores of plasmodium that enters the bloodstream after an Anopheles mosquito bite
sporozite
region of pigment that is sensitive to light
eyespot
the shell of radiolarians and foraminerans
test
membrane bound chambers that contain digestive enzymes
food vacuole
organelle that expels fluid from a paramecium
contractile vacuole
a form of cytoplasmic streaming in the amoeba
ameboid movement
sometimes fatal disease caused by an amoeba that enters the body in contaminated food or water
amebic dysentery
specialized cells that develop into gametes; taken in by mosquito when it bites a person infected with malaria .
gametocytes
microscopic animal organisms that drift in bodies of water and represent a basic level of feeding relationships
zooplankton
funnel-like structure used by ciliates for feeding
oral groove
the structure that forms food vaculoes that circulate throughout the cytoplasm of the paramecium
gullet
among the oldest known sarcodines; tests made of silicon dioxide and live in shallow water
radiolarians
outer layer of cytoplasm
ectoplasm
inner layer of cytoplasm
endoplasm
disease caused by a sporozoan that can casue serious harm to fetuses and newborns; sporozoan may be transmitted by cats
toxoplasmosis
disease transmitted by “kissing bugs”; may cause fever and severe heart damage
Chaga’s disease
small nuclear structure that participates in the exchange of genetic material between individuals during conjugation
micronucleus
sleeping sickness; transmitted by tsetse fly
trypanosomiasis
illness characterized by severe diarrhea and intestinal cramps caused by a protozoan parasite
giardiasis
larger nucleus in the paramecium that contains multiple copies of DNA and responsible for metabolic and developmental functions
macronucleus
very serious disease characterized by severe chills, fever, sweating, fatigue,and great thirst; transmitted by the female Anopheles mosquito
malaria
an ancient group of shelled sarcodines found primarily in the oceans; tests are made of calcium carbonate
foraminifera
