29 terms

Science Test on Protis

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Volvox
a green, single-celled aquatic organism that forms minute, free-swimming spherical colonies.
Organism
A living thing
Nucleus
Control center of the cell, involved in reproduction
Flagellar movement
Movement with flagella
Ameboid movement
Movement with pseudopods
DNA
genetic material
Eyespot
light detecting organelle found in unicellular organisms.
Chlorophyll
A green pigment found in the chloroplasts of plants, algae, and some bacteria
micronucleus
the smaller, reproductive nucleus found in some protozoans
food chain
A series of steps in which organisms transfer energy by eating and being eaten
Euglenas
look green and have chloroplasts, flagella and eyespots
Amoeba
A type of protist characterized by great flexibility and the presence of pseudopods
Protozoa
An animal-like protist
Flagella
whiplike tails found in one-celled organisms to aid in movement
Pseudopod
A temporary, foot-like extension of a cell, used for locomotion or engulfing food
Chromosomes
threadlike structures made of DNA molecules that contain the genes
macronucleus
in many protozoans, the larger of the two types of cell nuclei
No
Is protist another word for protozoan?
Chlorophyll
Diatoms are green because it contains a chemical called __________.
Colony
The volvox is a ______ of identical cells.
Protozoa
Bacteria not only decomposes dead remains of once living things, they're also food for ________
Nuclei
What controls most of the activities of cells?
Food vacuoles
The sacs formed in the cytoplasm plan some of this paramecium after it takes in food are called ____ ________.
Ameboid Movement
This amoeba has a unique method of locomotion called _______ ________.
Eyespot
The light-sensitive area of red on the surface of this Euglena
Pseudopods
Temporary bulges of the cell membrane that fill with cytoplasm, form when the cell membrane pushes outward in one location
Protozoan
Able to move from place to place to obtain food
Amebas
Sarcodines that live either in water or soil, feed on bacteria & smaller protists
Paramecium
Ciliates that live mostly in fresh water, feed on bacteria and smaller protists