Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 53.1, Problem 3SB
How can field experiments demonstrate conclusively that two species compete for limiting
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Draw on one graph, with N2 on the y-axis and N1 on the x-axis, the isoclines for the twocompetitors with the carrying capacities and competition coefficients listed below. Will thesespecies coexist? If not, which species will win? Competitor 1 Competitor 2
K1 = 200, α12 = 0.4 K2 = 400, α21 =1
Explain why you chose A or B, etc. Provide a logical explanation defending your answer choice.
Q:
If two species are competing for a resource, and one species is a much better competitor than the other, the most likely outcome is _________.
Group of answer choices
A) The stronger competitor attempts to predate the other
B) The competitors partition the resource they are competing over
C) Evolution of a mutualist or commensal relationship
D) All of these are likely
E) Extirpation of the weaker competitor
Q: 3-toed sloths have a species of algae that live in their hair, which improves their camouflage in the forest canopy. In turn, the algae get moisture and a place to grow. This is an example of a(n) ________________ interaction, and is denoted by ______.
Group of answer choices
A) Amensal, +/0
B) Amensal, -/0
C) Mutualistic; +/+
D) Commensal; +/0
E) Commensal; +/+
F) Mutualistic; +/0
The following is my reasoning: Is my reasoning correct or at least on the…
Explain why you chose A or B, etc. Provide a logical explanation defending your answer choice.
Q:
If two species are competing for a resource, and one species is a much better competitor than the other, the most likely outcome is _________.
Group of answer choices
A) The stronger competitor attempts to predate the other
B) The competitors partition the resource they are competing over
C) Evolution of a mutualist or commensal relationship
D) All of these are likely
E) Extirpation of the weaker competitor
Q: 3-toed sloths have a species of algae that live in their hair, which improves their camouflage in the forest canopy. In turn, the algae get moisture and a place to grow. This is an example of a(n) ________________ interaction, and is denoted by ______.
Group of answer choices
A) Amensal, +/0
B) Amensal, -/0
C) Mutualistic; +/+
D) Commensal; +/0
E) Commensal; +/+
F) Mutualistic; +/0
Chapter 53 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 53.1 - How might natural selection favor a carnivore that...Ch. 53.1 - Prob. 2SBCh. 53.1 - How can field experiments demonstrate conclusively...Ch. 53.2 - Prob. 1SBCh. 53.2 - Prob. 2SBCh. 53.3 - Prob. 1SBCh. 53.3 - Prob. 2SBCh. 53.3 - Prob. 3SBCh. 53.4 - Prob. 1SBCh. 53.4 - Prob. 2SB
Ch. 53.5 - Prob. 1SBCh. 53.5 - Prob. 2SBCh. 53.6 - Prob. 1SBCh. 53.6 - How does a climax community differ from early...Ch. 53.6 - Prob. 3SBCh. 53.7 - Prob. 1SBCh. 53.7 - Prob. 2SBCh. 53 - Prob. 1TYKCh. 53 - The use of the same limiting resource by two...Ch. 53 - Prob. 3TYKCh. 53 - Prob. 4TYKCh. 53 - A keystone species: a. is usually a primary...Ch. 53 - Prob. 6TYKCh. 53 - The change in the species composition of a...Ch. 53 - Prob. 8TYKCh. 53 - Prob. 9TYKCh. 53 - Prob. 10TYKCh. 53 - The table below shows how many individuals were...Ch. 53 - Prob. 12TYKCh. 53 - Prob. 13TYKCh. 53 - Prob. 14TYKCh. 53 - Prob. 1ITD
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- Discuss competition between species, the competitive exclusion principle, and the phenomenon of niche or resource partitioning. How do they compare and/or contrast?arrow_forwardBiologically, what conditions are necessary for stable coexistence of competitors? Describe the major ways that species can adapt to enhance the probability of stable coexistence.arrow_forwardUnder what circumstances can two species with identical niches coexist indefinitely?arrow_forward
- Why might captive-breeding programs that reintroduce species into natural environments fail?arrow_forwardYou are studying two new species that have a mutualistic relationship. How would you determine if the mutualism is facultative or obligate? What types of observational data would you collect and what type of experiment would you conduct?arrow_forwardQuestion 1 Neutral models emphasize dispersal and chance. Question 1 options: A) True B) False Question 2 Environmental filtering reduces competition. Question 2 options: A) True B) False Question 3 If competition structures a community, then ____________. Question 3 options: A) niches should be widely separated in niche space. B) niche space should be neutral. C) the environment does not filter species. D) there is no niche overlap among species.arrow_forward
- 5)How does the number of different prey species available to an organism affect the number of offspring it can produce in a breeding season? a)Population b)Community c)Ecosystemarrow_forwardCan someone please help me with multiple choice question, please choose the best that fits, Thank you 1)In which of the following situation would you expect to find the largest number of K-selected individuals? A) temporary pools that form afer rain showers but dry up within 2-4 weeks B) sand dunes that shift continually with the wind C) a prairie(grassland) ecosystem right after a fire D)a temperature stable lake that has existed in the same location for many generationsarrow_forwardwhat are some plausible phenotypic changes that we might see in different vector species as climate change progresses? How might these changes affect interspecific competition?arrow_forward
- when two species exist on the same niche, how is the dominant species affected by the presence of the inferior species?arrow_forwardBased on the graphs and Using the data from the two experiments, choose the interaction between species in the interaction diagram above.arrow_forwardbriefly explain why there is species variation?arrow_forward
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