Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 15, Problem 4SQ
Some species of cyanobacteria form symbiotic relationships with other organisms. What benefit might a protist or
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Chapter 15 Solutions
Campbell Essential Biology (7th Edition)
Ch. 15 - Place these events in the history of life on Earth...Ch. 15 - DNA replication relies on the enzyme DNA...Ch. 15 - Prob. 3SQCh. 15 - Some species of cyanobacteria form symbiotic...Ch. 15 - The bacteria that cause tetanus can be killed only...Ch. 15 - How is the process used in sewage treatment...Ch. 15 - Prob. 7SQCh. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10IMT
Ch. 15 - For each statement below, identify which major...Ch. 15 - Prob. 12IMTCh. 15 - Imagine you are on a team designing a moon base...Ch. 15 - Interpreting Data Because bacteria divide by...Ch. 15 - State or local public health department regularly...Ch. 15 - Probiotics, foods and supplements that contain...
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- How are diatoms and dinoflagellates used in monitoring water quality? Cite two (2) examples. What are zooxanthellae? Describe their role in symbiotic relationships.arrow_forwardSymbiosis is a close relationship between different species where at least one requires the other for survival. Parasitism, commensalism, and mutualism are the major types of symbiosis. Why is the relationship between Rhizobium and its host considered mutualism and not one of the other types of symbiosis?arrow_forward1.) Algae and fungi have a symbiotic association in lichen. A controversy exists over the type of symbiotic association occurring in lichens. While some researchers are of the view that the association is a type of parasitism, most researchers believe that the symbiotic association between algae and fungi in lichen is A.) ammensalism B.) mutualism C.) neutralism D.) commensalism 2.) Which of the following statements about intraspecific competition is not correct? A.)Intraspecific competition exists between members of the same species. B.)Species members compete for food. C.) Species members compete for space. D.) Species members do not compete for the opportunity to breed. 3.) Population 1. Randomly mating population with immigration and emigration Population 2. Large breeding population without mutation and natural selection Population 3. Small breeding population without immigration and emigration Population 4. Randomly mating population with mutation and emigration Which of the…arrow_forward
- Which is false among A-E regarding symbiotic nitrogen fixation? A) O Initiation of the symbiosis involves communication between the plant and bacteria B)O Within the plant, the bacteria differentiate into N2 fixing bacteroids C) O The N2-fixation process is sensitive to oxygen. D) O The bacteria infect the root of the plant via an infection thread. E) O None are false; A-E are all true,arrow_forwardWhich of the following correctly matches the protist to the mode of nutrition? Chara- Autotrophy, Euglena - Mixotrophy, Amoeba - Heterotrophy Chara - Heterotrophy, Euglena - Mixotrophy, Amoeba - Heterotropy Chara - Mixotrophy, Euglena- Heterotrophy, Amoeba - Autotrophy They all are capable of Heterotrophyarrow_forwardWhy are red algae red? What distinguishes plasmodial and cellular slime molds? What are the ecological roles of protists? Why are photosynthetic protists so important to marine/aquatic ecosystems? What limits the growth of these organisms and what causes blooms? What will be affected if marine producers are disrupted?arrow_forward
- Which of these would be evidence against endosymbiosis? a) chloroplast have their own DNA O b) their structure resembles that of prokaryotes O c) the presence of one membrane O d) chloroplast resemble cyanobacteriaarrow_forwardWhat is a lichen? Why is this considered an example of a parasite-host relationship? Why might you also consider it a mutualistic interaction?arrow_forwardThe microorganisms responsible for symbiotically fixing nitrogen in the nodules on the roots of legume plants are: bacteria actinomycetes algae fungi O autotrophsarrow_forward
- Why would it be disadvantageous for a plant to form a symbiotic relationship with a mycorrhizal fungus when phosphate is abundant in the soil surrounding its roots?arrow_forwardRuminants (like cattle) are herbivores but lack the necessary enzymes to digest cellulose from plants. Part of the digestive tract of ruminants contains a microbial community that can break down cellulose. These microbes gain energy from the plant material, and byproducts of their metabolism provide the host with a source of Carbon and energy. What type of symbiosis does this relationship describe?arrow_forwardWhich of the following statements regarding protozoa is false?a) Some protozoa lack mitochondria.b) Some protozoa contain chlorophyll.c) Some protozoa are parasitic.d) Malaria is caused by a protozoan.arrow_forward
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