48 Questions
Unpigmented, moving microorganisms will probably be ______
protozoans
Greenish or golden-brown organisms are usually ______
algae
Organisms that appear blue-green will be ______
cyanobacteria
If you encounter invertebrates and are curious as to their identification, you may refer to Exercise 7; however, keep in mind that our prime concern here is only with ______, algae, and cyanobacteria.
protozoans
Protists are single-celled ______ that lack tissue specialization
eukaryons
Subkingdom Protozoa includes animallike protists in ______ and plantlike protists in Algae
Protozoa
Protozoa reproduce asexually by ______ division and exhibit various degrees of sexual reproduction
cell
Subkingdom Protozoa is divided into three ______: Sarcomastigophora, Ciliophora, and Apicomplexa
phyla
Phylum Sarcomastigophora includes Sarcodina (Amoebae) and Mastigophora (Zooflagellates) with distinct ______
locomotion
Phylum Ciliophora includes structurally complex protozoans that evolved from zooflagellates and use ______ for movement and food-getting
cilia
Phylum Apicomplexa includes internal parasites lacking ______ organelles and having life cycles with spore-forming stages
locomotor
Subkingdom Algae includes all photosynthetic eukaryotic organisms in Kingdom Protista, lacking ______ differentiation
tissue
Algae have distinct, visible nuclei and chloroplasts, and photosynthesis takes place within these ______
bodies
Wet mount slides are necessary to study microorganisms in pond ______
water
Guidelines for preparing and studying slides include using clean materials, recording the number of the bottle with a ______ marking pencil, and observing with low-power and high-dry objectives
china
Procedure for making wet mount slides is simple: place a drop of suspended organisms on a microscope slide and cover it with a ______ glass
cover
Chlorophycophyta, or green algae, synthesize ______ for food storage and include diverse colonial forms like Pandorina and Volvox.
starch
Chrysophycophyta, or golden brown algae, store food in the form of oils and leucosin, and have chlorophylls a and c with the presence of ______.
fucoxanthin
Diatoms, a type of chrysophycophyte, have hard cell walls and form ______, which is commercially used as a polishing compound.
diatomite
Phaeophycophyta, or brown algae, are mostly marine and have laminarin and mannitol for food storage, appearing brown due to ______.
fucoxanthin
Pyrrophycophyta, or fire algae, include dinoflagellates, many of which are marine and ______.
bioluminescent
Most flagellated algae observed in ponds belong to ______.
Chlorophycophyta
Desmids consist of two similar halves separated by an ______.
isthmus
Euglenoids share protozoan-like characteristics, including the absence of a cell wall, presence of a gullet, and the ability to ingest ______.
food
Euglenoids are often grouped with zooflagellates due to their similarities with ______.
protozoa
Photosynthetic euglenoids contain chlorophylls a and b, with a red stigma and ______ as a food-storage compound.
paramylum
Desmids, a unique group of green algae, consist of cells with two similar halves, separated by an ______.
isthmus
Diatoms have hard cell walls and form ______, which is commercially used as a polishing compound.
diatomite
Many marine Gymnodinium species produce red tides causing water discoloration and unpleasant odors along coastal shores
Some
______ differ from protists as they are smaller, lack distinct nuclei, and are enclosed in rigid cell walls
Prokaryotes
Division ______ in Domain Bacteria includes a large number of microorganisms, once referred to as blue-green algae
Cyanobacteria
Over ______ species of cyanobacteria have been reported, present in almost all moist environments
1,000
Cyanobacteria produce different colors due to varying proportions of ______ such as chlorophyll a, carotene, xanthophylls, blue c-phycocyanin, and red c-phycoerythrin
pigments
Cells of cyanobacteria lack visible ______, but contain DNA granules in a colorless area in the center of the cell
nuclei
Pigments of cyanobacteria are not contained in ______, but in granules (phycobilisomes) attached to membranes (thylakoids) in the cytoplasm
chloroplasts
The designation of cyanobacteria as 'blue-green' is somewhat misleading as many are actually ______, purple, red, and various shades of green
black
______ algae species include Rhizoclonium, Cladophora, Bulbochaete, Oedogonium, Vaucheria, Tribonema, Chara, Batrachospermum, Microspora, Ulothrix, Desmidium, Mougeotia, Spirogyra, Zygnema, Stigeoclonium, and Draparnaldia
Filamentous
______ and nonflagellated algae species include Chlorococcum, Oocystis, Coelastrum, Chlorella, Sphaerocystis, Micractinium, Scendesmus, Actinastrum, Phytoconis, Ankistrodesmus, Pamella, Botryococcus, Tetraedron, Pediastrum, Tetraspora, Staurastrum, Closterium, Euastrum, and Micrasterias
Nonfilamentous
______ species include ______a, Gomphonema, Cymbella, Cocconeis, Nitschia, Pinnularia, Cyclotella, Tabellaria, Synedra, Melosira, Surirella, Stauroneis, Fragillaria, Asterionella, Navicula, Stephanodiscus, and Meridion
Diatom
______ species include Anabaena, Nodularia, Cylindrospermum, Arthrospira, Microcoleus, Phormidium, Oscillatoria, Aphanizomenon, Lyngbya, Tolypothrix, Entophysalis, Gomphosphaeria, Agmenellum, Calothrix, Rivular
Cyanobacteria
Division Cyanobacteria in Domain Bacteria includes a large number of microorganisms, once referred to as blue-green ______
algae
Cells of cyanobacteria lack visible nuclei, but contain DNA granules in a colorless area in the center of the ______
cell
Pigments of cyanobacteria are not contained in chloroplasts, but in granules (phycobilisomes) attached to membranes (thylakoids) in the ______
cytoplasm
The designation of cyanobacteria as "blue-green" is somewhat misleading as many are actually black, purple, red, and various shades of ______
green
Filamentous algae species include Rhizoclonium, Cladophora, Bulbochaete, Oedogonium, Vaucheria, Tribonema, Chara, Batrachospermum, Microspora, Ulothrix, Desmidium, Mougeotia, Spirogyra, Zygnema, Stigeoclonium, and ______
Draparnaldia
Nonfilamentous and nonflagellated algae species include Chlorococcum, Oocystis, Coelastrum, Chlorella, Sphaerocystis, Micractinium, Scenedesmus, Actinastrum, Phytoconis, Ankistrodesmus, Pamella, Botryococcus, Tetraedron, Pediastrum, Tetraspora, Staurastrum, Closterium, Euastrum, and ______
Micrasterias
Diatom species include Diatoma, Gomphonema, Cymbella, Cocconeis, Nitschia, Pinnularia, Cyclotella, Tabellaria, Synedra, Melosira, Surirella, Stauroneis, Fragillaria, Asterionella, Navicula, Stephanodiscus, and ______
Meridion
Cyanobacteria species include Anabaena, Nodularia, Cylindrospermum, Arthrospira, Microcoleus, Phormidium, Oscillatoria, Aphanizomenon, Lyngbya, Tolypothrix, Entophysalis, Gomphosphaeria, Agmenellum, Calothrix, ______
Rivular
Study Notes
Cyanobacteria and Algae
- Some marine Gymnodinium species produce red tides causing water discoloration and unpleasant odors along coastal shores
- Prokaryotes differ from protists as they are smaller, lack distinct nuclei, and are enclosed in rigid cell walls
- Division Cyanobacteria in Domain Bacteria includes a large number of microorganisms, once referred to as blue-green algae
- Over 1,000 species of cyanobacteria have been reported, present in almost all moist environments
- Cyanobacteria produce different colors due to varying proportions of pigments such as chlorophyll a, carotene, xanthophylls, blue c-phycocyanin, and red c-phycoerythrin
- Cells of cyanobacteria lack visible nuclei, but contain DNA granules in a colorless area in the center of the cell
- Pigments of cyanobacteria are not contained in chloroplasts, but in granules (phycobilisomes) attached to membranes (thylakoids) in the cytoplasm
- The designation of cyanobacteria as "blue-green" is somewhat misleading as many are actually black, purple, red, and various shades of green
- Filamentous algae species include Rhizoclonium, Cladophora, Bulbochaete, Oedogonium, Vaucheria, Tribonema, Chara, Batrachospermum, Microspora, Ulothrix, Desmidium, Mougeotia, Spirogyra, Zygnema, Stigeoclonium, and Draparnaldia
- Nonfilamentous and nonflagellated algae species include Chlorococcum, Oocystis, Coelastrum, Chlorella, Sphaerocystis, Micractinium, Scendesmus, Actinastrum, Phytoconis, Ankistrodesmus, Pamella, Botryococcus, Tetraedron, Pediastrum, Tetraspora, Staurastrum, Closterium, Euastrum, and Micrasterias
- Diatom species include Diatoma, Gomphonema, Cymbella, Cocconeis, Nitschia, Pinnularia, Cyclotella, Tabellaria, Synedra, Melosira, Surirella, Stauroneis, Fragillaria, Asterionella, Navicula, Stephanodiscus, and Meridion
- Cyanobacteria species include Anabaena, Nodularia, Cylindrospermum, Arthrospira, Microcoleus, Phormidium, Oscillatoria, Aphanizomenon, Lyngbya, Tolypothrix, Entophysalis, Gomphosphaeria, Agmenellum, Calothrix, Rivular
Test your knowledge of algae divisions and cyanobacteria with this quiz. Learn about the characteristics and unique features of euglenoids, green algae, golden brown algae, diatoms, brown algae, fire algae, and cyanobacteria. Explore their distinct traits, food storage compounds, and environmental significance.
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