III. Fill in the blank A. contractile vacuoles B. dinoflagellates C. forams D. p
ID: 34784 • Letter: I
Question
III. Fill in the blank
A. contractile vacuoles B. dinoflagellates C. forams D. paramecium E. plastids
64. __________secrete shells (tests) of calcium carbonate and are valuable in the geological dating of
sedimentary rocks.
65. ________keep some freshwater protists from exploding by taking on too much water.
66. Ciliate containing two kinds of nuclei, a single macronucleus and several micronuclei, is the
__________.
67. The red tides that can kill tons of fish are caused by toxic species of ________.
A. brown algae B. diatoms C. lichens D. mixotrophs E. Trypanosoma
68. Many ________ deposit silicon in their cell walls; architectural magnificence on a microscopic scale
is a hallmark of this group, and their taxonomy is based entirely on their cell wall patterns.
69. Giant kelp belongs to the clade Stramenopila and are commonly called ________.
70. The causative agent of African sleeping sickness is ________, a parasitic kinetoplastid.
71. Organisms that can be both heterotrophic and autotrophic are called ____________.
72. ______ result from mutualistic symbiotic relationships between green algae and fungi.
Part IV. Multiple Choice
73. During the evolution of eukaryotes from prokaryotes, which of the following did not occur?
A)Infolding of the flexible cell membrane B)Loss of the cell wall
C)A switch from aerobic to anaerobic metabolism D)Endosymbiosis of once free-living prokaryotes
74. Protists are found in which of the following habitats?
A)Marine B)Freshwater aquatic C)Within the body fluids of other organisms
D)Damp soil E)A, B, C, & D
75. Which of the following modes of nutrition is used by protists to fuel their metabolism?
A)Autotrophic B)Heterotrophic C)Mixotrophic D) A & B E) A, B, & C
76. A water mold is discovered growing on the surface of a freshwater green algae. Which two groups of
protists are involved?
A) plasmodial slime mold and cellular slime mold B)Oomycota and Chlorophyta.
C) Foraminifera and Chrysophyta. D) Apicomplexa and Ciliophora
Matching (#4-9)
A) behavioral B) gametic C) temporal D) mechanical E) habitat
4. Terrestrial snakes and aquatic snakes
5. Two bird species with two different types of song patterns
6. Two species of mammals with incompatible mating organs
7. Sperm and eggs of two species of sea urchins with different recognition surface molecules
8. Two species of dogs with different mating seasons
9. A marine algae species and a freshwater algae species.
Explanation / Answer
64. Forams secrete shells (tests) of calcium carbonate and are valuable in the geological dating of sedimentary rocks.
65. Contractile vacuoles keep some freshwater protists from exploding by taking on too much water.
66. Ciliate containing two kinds of nuclei, a single macronucleus and several micronuclei, is the paramecium.
67. The red tides that can kill tons of fish are caused by toxic species of (A) brown algae.
68. Many dinoflagellates deposit silicon in their cell walls; architectural magnificence on a microscopic scale is a hallmark of this group, and their taxonomy is based entirely on their cell wall patterns.
69. Giant kelp belongs to the clade Stramenopila and are commonly called
70. The causative agent of African sleeping sickness is protozoa, a parasitic kinetoplastid.
71. Organisms that can be both heterotrophic and autotrophic are called mixotroph.
72. Lichens result from mutualistic symbiotic relationships between green algae and fungi.
74. The correct option is (E) A, B, C, and D.
75. The correct option is (D) A and B.
76. The correct option is (D) Apicomplexa and Ciliophora.
4. Habitat
5. Behavioral
6. Mechanical
7. Gametic
8. Temporal
9. Habitat