Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 38, Problem 4MCQ
Summary Introduction
Introduction:
Crabs live in the clumps of corals and these crabs protects corals from sea stars. This interaction between crabs and coral is mutualism. In mutualism two different species live together without harming each other and this mutualism is beneficial for both the species.
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A relationship between two species where one species benefits and the other is neither hurt nor helped is known asa. parasitism.b. commensalism.c. mutualism.d. competition.
How can a commensalism become a mutualism?
a. A commensalism cannot become a mutualism.
b. An interaction that was once harmful to one species becomes beneficial to both species.
c. An interaction that was once harmful to both species becomes beneficial to one species.
d. An interaction that was once beneficial to both species becomes beneficial to only one species.
e. An interaction that was once beneficial to one species becomes beneficial to both species.
What are some conditions that might lead to a mutualistic organism becoming a predator/parasite. Select all that apply.
A. Mutualistic nitrogen fixation bacteria might reduce the competitive ability of their host plants in environments with high N availability, because of the energetic costs to the plants of supporting the bacteria
B. none of the above
C. Mutualistic nitrogen fixing bacteria can become parasites in soil with low nitrogen availability because of the energy costs to the plant of supporting the bacteria
D. A mutualist fish species that feeds on ectoparasites of another fish species, might switch to feeding/removing important host tissue or secretions when ectoparasite abundance is too low.
Chapter 38 Solutions
Biology: Concepts and Investigations
Ch. 38.1 - Distinguish among communities, ecosystems, and...Ch. 38.1 - Prob. 2MCCh. 38.1 - Distinguish between habitat and niche.Ch. 38.1 - Prob. 4MCCh. 38.1 - Prob. 5MCCh. 38.1 - Prob. 6MCCh. 38.1 - Prob. 7MCCh. 38.2 - Prob. 1MCCh. 38.2 - Prob. 2MCCh. 38.2 - Prob. 3MC
Ch. 38.2 - Prob. 4MCCh. 38.3 - Identify the trophic levels of a food chain.Ch. 38.3 - Prob. 2MCCh. 38.3 - Prob. 3MCCh. 38.3 - Prob. 4MCCh. 38.3 - Prob. 5MCCh. 38.3 - Prob. 6MCCh. 38.4 - Prob. 1MCCh. 38.4 - Prob. 2MCCh. 38.4 - Prob. 3MCCh. 38.4 - Prob. 4MCCh. 38.4 - Prob. 5MCCh. 38.5 - Prob. 1MCCh. 38.5 - Prob. 2MCCh. 38 - Prob. 1MCQCh. 38 - Cyanobacteria are photosynthetic bacteria that...Ch. 38 - Prob. 3MCQCh. 38 - Prob. 4MCQCh. 38 - A large tree falls over in an old-growth forest,...Ch. 38 - Prob. 6MCQCh. 38 - In a prairie, which trophic level should have the...Ch. 38 - Prob. 8MCQCh. 38 - Prob. 9MCQCh. 38 - Prob. 1WIOCh. 38 - Prob. 2WIOCh. 38 - Prob. 3WIOCh. 38 - Prob. 4WIOCh. 38 - Prob. 5WIOCh. 38 - Prob. 6WIOCh. 38 - Prob. 7WIOCh. 38 - Prob. 8WIOCh. 38 - Prob. 9WIOCh. 38 - 1. Review the definitions of ecology, populations,...Ch. 38 - Prob. 2PIT
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- Certain plants live in nutrient poor environments and have evolved specialised leaves that attract, trap and digest insects for food. The interaction between the plants and the insects they consume is BEST described as: Select one: a. commensalism. b. parasitism. c. herbivory. d. predation Two related species of African lovebirds exhibit very different ways of carrying nesting materials back to the nest. The Fisher’s lovebird carries nesting material back using its beak, while the peach faced lovebird tucks nesting material in the feathers of its rump. The observation that hybrid lovebirds exhibit intermediate behaviours suggests that nest building behaviour in lovebirds is due to: Select one: a. gene by environment interaction. b. environmental factors. c. genetic factors. d. imprinting.arrow_forwardWhich of the following defines the role of a species in a community,including its habitat and interaction with other species?a. ecological niche d. mimicryb. competitive exclusion e. None of these are correct.c. competition levelarrow_forwardWhich of the following is not a mutualistic relationship? a. a shark using an aquatic cleaning station b. a helminth feeding from its host c. a bumblebee collecting pollen from a flower d. bacteria living in the gut of humansarrow_forward
- According to the competitive exclusion principle,a. one species is always more competitive than another for a particular food source.b. competition excludes multiple species from using the same food source.c. no two species can occupy the same niche at the same time.d. competition limits the reproductive capacity of species.arrow_forwardPlants such as soy, peanuts, and greenbeans have large bacterial colonies growing on their roots that help them retrieve nitrogen from the soil. In return, the bacterial colonies retrieve some nutrients from the plant. What type of interaction is this? Competition B Commensalism Mutualism D Parasitism/Predationarrow_forwardWhat is the interaction exhibited by the organisms named sea anemone and clownfish? a.)mutualism b.)commensalism c.)predation d.)parasitism e.)competitionarrow_forward
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