BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Chapter 21, Problem 4MC
Summary Introduction
Introduction:
Most of the protists are non-motile, meaning they cannot move to a specific location on their own. However, some of the protists are motile or movable. They use special organelles or extensions to move around in the environment.
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Chapter 21 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 21 - 1. Which of the following statements about...Ch. 21 - Prob. 2MCCh. 21 - The organism that causes malaria belongs to which...Ch. 21 - Prob. 4MCCh. 21 - Prob. 5MCCh. 21 - Prob. 1FTBCh. 21 - Prob. 2FTBCh. 21 - 3. Protist chloroplasts surrounded by four-layer...Ch. 21 - Prob. 4FTBCh. 21 - Prob. 5FTB
Ch. 21 - Prob. 6FTBCh. 21 - List the major differences between prokaryotes and...Ch. 21 - 2. What is secondary endosymbiosis?
Ch. 21 - Prob. 3RQCh. 21 - 4. What is the major ecological role played by...Ch. 21 - Which protist group consists entirely of parasitic...Ch. 21 - Which protist groups include seaweeds?Ch. 21 - Prob. 7RQCh. 21 - Prob. 1ACCh. 21 - Prob. 2AC
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- Protists with the capabilities to absorb nutrients from dead organisms are called ______. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_forwardWhich of the following is NOT true of protists? Select one: a. Some are unicellular. b. They may be photosynthetic. c. They are usually aerobic, though some are not. d. They may have cell walls. e. They may be prokaryotic.arrow_forwardWhich of these protists is hypothesized to be ancestral to animals? a. a green algal protist b. a choanoflagellate c. an amoeboid protistd. a slime moldarrow_forward
- Members of the kingdom Protista differ from members ofthe kingdom Monera mainly due to the presence of:(a) RNA(b) Ribosomes(c) Cell wall(d) DNA(e) Membrane-bound nucleusarrow_forwardGive an example of a protist that is:(a) a parasite of humans(b) very large and photosynthetic(c) a unicellular species with two flagella and photosynthetic(d) covered in ciliaarrow_forwardWhy don't we consider protists to all be in 1 kingdom together anymore? Group of answer choices A. because some of them are prokaryotic B. because they are not all closely related C. because they are all prokaryotic D. because some of them are multicellulararrow_forward
- Which of the following is not true of the protists? (a) they are unicellular, colonial, coenocytic, or simple multicellular organisms (b) their cilia and flagella have a 9 + 2 arrangement of microtubules (c) they are prokaryotic, as bacteria and archaea are (d) some are free-living, and some are endosymbionts (e) most are aquatic and live in the ocean or in freshwater pondsarrow_forwardProtists that may lack mitochondria and possess deep oralgrooves are known asa. excavates.b. apicomplexans.c. alveolates.d. amoeboids.e. ciliates.arrow_forwardWhich statement about protists is false? a. They can be photosynthetic and one of the foundations of the marine food web. b. Some are multicellular c. They are a monophyletic group. d. Some are parasitic.arrow_forward
- Which statement about protists is true? a. Protists have many different metabolic lifestyles. b. Almost all protists are parasitic. c. All protists use pseudopods or cilia to locomote. d. All marine protists rid themselves of excess water by means of contractile vacuoles. e. Protists are found only in aquatic habitats.arrow_forwardYou have discovered a photosynthetic protist that lives in fairly deep water (for example, 250 m deep). To which of the following groups should this organism be classified? A. diatoms B. green algae C. red algae D. cercozoanarrow_forwardWhich of the following characteristics is NOT one all protists share? A. mixotrophic, autotrophic and heterotrophic B. eukaryotic C. mostly unicellular D. symbiontsarrow_forward
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