Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 21, Problem 5MC
Summary Introduction
Introduction:
Diarrhea is a disease caused by severe dehydration of the body due to the loss of the body fluids. It is caused due to infection caused by an organism which belongs to Diplomonad group for example Giardia. They have two nuclei and multiple flagella. It causes vomiting, diarrhea, and formation of cysts in feces of animals. These cysts are released in rivers and oceans which reach the body of the animals and humans after drinking contaminated water.
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Chapter 21 Solutions
Biology
Ch. 21.1 - What do biologists mean when they say that sex and...Ch. 21.1 - define protist and describe the various ways in...Ch. 21.1 - describe a scenario for the evolutionary origin of...Ch. 21.1 - describe the major effects of protists on people...Ch. 21.2 - Prob. 1TCCh. 21.2 - Just as the invasive Cauterpa seaweed often...Ch. 21.2 - If you like sushi, youve probably eaten a sushi...Ch. 21.2 - list the major protist taxonomic groups and the...Ch. 21.2 - describe some examples of how members of each...Ch. 21.2 - Is it important to stop the spread of Caulerpa?...
Ch. 21 - Which of the following statements about protists...Ch. 21 - The harmful protist blooms known as red tides are...Ch. 21 - The organism that causes malaria belongs to which...Ch. 21 - The finger-like extensions of the cell membrane...Ch. 21 - Prob. 5MCCh. 21 - Prob. 1FIBCh. 21 - Prob. 2FIBCh. 21 - Protist chloroplasts surrounded by four-layer...Ch. 21 - Prob. 4FIBCh. 21 - Prob. 5FIBCh. 21 - Prob. 6FIBCh. 21 - List the major differences between prokaryotes and...Ch. 21 - What is secondary endosymbiosis?Ch. 21 - what is the importance of dinoflagellates in...Ch. 21 - 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 - Which protist groups include species that use...Ch. 21 - The internal structure of many protists is much...Ch. 21 - What are some important benefits and services...
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- Protists with the capabilities to absorb nutrients from dead organisms are called ______. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_forwardCiliates like Paramecium, Tetrahymena, and Vorticella are chemoheterotrophs from which group of only single-celled organisms? a. Chlorophyta b. Oomycota c. Phaeophyta d. Protozoa e. Euglenoids f. Ascomycota g. Archaeaarrow_forwardChoanoflagellates are considered the sister group to, or closest living relatives of,______ . a. plants c. animals b. fungi d. dinoflagellatesarrow_forward
- Amoebas, foraminifera, and radiolarians move using theira. cytoplasm.b. flagella.c. cilia.d. setae.arrow_forwardA person who develops severe diarrhea after drinkinguntreated water on a camping trip is likely to have beeninfected bya. Plasmodium, an apicomplexan.b. Ulva, a chlorophyte.c. Paramecium, a ciliate.d. Giardia, a diplomonad.arrow_forwardWhat term describes the close association of a fungus with the root of a tree? a. arhizoid b. a lichen c. a mycorrhiza d. anendophytearrow_forward
- The presence of a contractile vacuole indicates that a single-celled protist _______. a. is marine c. is photosynthetic b. lives in fresh water d. secretes a toxinarrow_forwardProkaryotes that obtain their energy from chemical compounds are called _____. a. photorophs b. auxotrophs c. chemorophs d. lithotrophsarrow_forwardFungi are all: a. multicellular b. eukaryotic c. decomposers d. single- celledarrow_forward
- What genus of protists appears to contradict the statement that unicellularity restricts cell size? a. Dictyostelium b. Ulva c. Plasmodium d. Caulerpaarrow_forwardFungi are (a) eukaryotes and opisthokonts (b) prokaryotes and opisthokonts (c) flagellate and dikaryotic (d) autotrophic eukaryotes (e) heterotrophs with cellulose cell wallsarrow_forwardWhich statement is not true of the chytrids? (a) they are simple aquatic fungi (b) they produce motile cells with single, posterior flagella (c) they undergo both sexual and asexual reproduction (d) their cells are dikaryotic (e) they were the earliest fungi to evolvearrow_forward
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