Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 19, Problem 9RQ
The
a. limit
b.
c. biotic potential
d.
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Orcas working together to create a current that knocks a seal off of an ice floe is an example of _______________.
a. interspecific cooperation
b. interspecific competition
c. intraspecific cooperation
d. intraspecific competition
An _______species has population levels so low it is at great risk of extinction in the near future. a. endemic c. indicator b. endangered d. exotic
When interspecific competition is weaker than intraspecific competition for both species A & B in the Lotka-Volterra competition model_________________.
a. species A wins
b. both species coexist
c. both species go extinct
d. species B wins
Chapter 19 Solutions
Concepts of Biology
Ch. 19 - Figure 19.2 As this graph shows, population...Ch. 19 - Figure 19.6 If the major food source of seals...Ch. 19 - Figure 19.11 Age structure diagrams for rapidly...Ch. 19 - Which of the following methods will provide...Ch. 19 - Which of the following is best at showing the life...Ch. 19 - Human populations have which type of survivorship...Ch. 19 - Species with limited resources usually exhibit...Ch. 19 - The maximum growth rate characteristic of a...Ch. 19 - The population size of a species capable of being...Ch. 19 - Species that have many offspring at one time are...
Ch. 19 - A forest fire is an example of ________...Ch. 19 - A country with zero population growth is likely to...Ch. 19 - Which type of country has the greatest proportion...Ch. 19 - Which of the following is not a way that humans...Ch. 19 - The first species to live on new land, such as...Ch. 19 - A symbiotic relationship where both of the...Ch. 19 - When an invasive species alters the community...Ch. 19 - Describe how a researcher would determine the size...Ch. 19 - Describe the growth at various parts of the...Ch. 19 - Give an example of how density-dependent and...Ch. 19 - Describe the age structures in rapidly growing...Ch. 19 - Describe the competitive exclusion principle and...Ch. 19 - Describe the potential effects when a keystone...
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- ____________________________ determine which species can inhabit a place. a. none of the above b. populations c. niches d. habitatsarrow_forwardDandelions in your yard are an example of _________________. a. none of the above b. intraspecific competition c. parasitism d. commensalismarrow_forward_________ is the interaction inwhich one species benefits and the other is neither harmed nor benefited.A. Predation B. CommensalismC. Competition D. Parasitismarrow_forward
- A symbiotic relationship where both of the coexisting species benefit from the interaction is called ________. a. commensalism b. parasitism c. mutualism d. communismarrow_forwardThe position of an organism along a food chain is known as its ________. a. locus b. location c. trophic level d. microcosmarrow_forwardSpider crabs live in shallow areas of the ocean floor, and greenish-brown algae lives on the crabs' backs, making the crabs blend in with their environment, and less noticeable to predators. The algae get a habitat and protection. This relationship can best be described as _______________. a. mutualism b. parasitism c. competition d. commensalismarrow_forward
- The current biodiversity crisis is due, almost single-handedly, to ________. a. conservation biology b. humans c. global pandemics d. bacteriaarrow_forwardPassenger pigeons were driven to extinction________ . a. by introduced pathogens b. by overharvesting c. as a result of global warming d. by competition with introduced birdsarrow_forwardKangaroo rats are keystone species because _______________________________. a. the seeds they eat or don't eat determine the vegetative landscape. b. their habitats also provide refuge for other organisms. c. the animals they prey upon are herbivores, which impact the landscape d. their feeding behaviors influence the local climate, which determines which plants can grow.arrow_forward
- The United States agency that sets and monitors standards for city water systems is the? A. Department of Agriculture (USDA) B. Centers for Disease Control and Prevention (CDC) C. Food and Drug Administration (FDA) D. Environmental Protection Agency ( EPA)arrow_forwardThis is the combination of the likelihood of occurrence of harm and the severity of that harm where the source of harm is a biological agents or toxin? A. Biosafety B. Biorisk C. Biosecurity D. Biorisk Managementarrow_forwardThe quantity of available nutrients ____________- from the lower levels ofthe energy pyramid to the higher ones.a. increases b. decreases c. remains stable d. cyclesarrow_forward
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