Biology : Concepts and Invest - Package (custom)
3rd Edition
ISBN: 9781259387272
Author: Hoefnagels
Publisher: MCG
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Chapter 38, Problem 5MCQ
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 frog population lives in a pond covered with a species of aquatic plant that attracts insects due to its color. The small frogs depend on the insects for This represents a _______ relationship between the frog and the plant species.
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When interspecific competition is weaker than intraspecific competition for both species A & B in the Lotka-Volterra competition model_________________.
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Chapter 38 Solutions
Biology : Concepts and Invest - Package (custom)
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 - Draw an energy pyramid for an ecosystem with three...Ch. 38.3 - Prob. 7MCCh. 38.4 - Prob. 1MCCh. 38.4 - Prob. 2MCCh. 38.4 - Prob. 3MCCh. 38.4 - Prob. 4MCCh. 38.4 - Prob. 5MCCh. 38.5 - Use figure 38.25 to describe the relationships...Ch. 38.5 - Prob. 2MCCh. 38 - Prob. 1MCQCh. 38 - Cyanobacteria are photosynthetic bacteria that...Ch. 38 - Prob. 3MCQCh. 38 - Prob. 4MCQCh. 38 - Prob. 5MCQCh. 38 - A large tree falls over in an old-growth forest,...Ch. 38 - Prob. 7MCQCh. 38 - In a prairie, which trophic level should have the...Ch. 38 - Prob. 9MCQCh. 38 - Prob. 10MCQCh. 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 - 9. Humans exterminated wolves in the Rocky...Ch. 38 - Prob. 10WIOCh. 38 - Prob. 11WIOCh. 38 - Prob. 12WIOCh. 38 - Prob. 13WIOCh. 38 - Prob. 14WIOCh. 38 - Prob. 15WIOCh. 38 - 16. Review the structures of organic molecules in...Ch. 38 - Prob. 1PITCh. 38 - Prob. 2PITCh. 38 - Prob. 3PITCh. 38 - Prob. 4PIT
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- An ecologist studying several forest-dwelling, insect-eating bird species does not find any evidence of interspecific competition. The most likely explanation is (a) lack of a keystone species (b) low species richness (c) pronounced intraspecific competition (d) coevolution of predatorprey strategies (e) resource partitioningarrow_forwardPredation, disease, and competition are examples of _______________ factors. (a) density-dependent (b) density-independent (c) survivorship (d) dispersal (e) semelparousarrow_forwardDefine predation. How does the predator-prey relationship differ from the parasite-host relationship? Why is the evolutionary race be-tween predator and prey one that the predator cannot afford to win?arrow_forward
- Researchers have suggested that predators could actually increase the population density of a prey species heavily infested by a pathogenic parasite. Explain how predation could lead to population increases in the prey population.arrow_forwardThe use of the same limiting resource by two species is called (A) parasitism, (B) competition, (C) mutualism, (D) optimal foraging, (E) character displacement.arrow_forwardDeer and blue jays both eat acorns. By using the same resource, each reduces theamount of the resource available to the other. This is an example of ____ competition. a. solar b. predatory c. lunar d. interference e. interspecificarrow_forward
- In a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecificarrow_forwardHow does individual behavior decrease biotic potential? a) It reduces the reproductive rates of individuals, due to competition for resources. b) It supports all individuals of the population to obtain needed resources. c) It increases the population under harsh environmental conditions. d) It decreases the amount of intraspecific competition.arrow_forwardCompetitive exclusion occurs from Select one: a. intraspecific competition b. interspecific competition c. predator–prey relationship d. producer–consumer relationshiparrow_forward
- A food web: A. Is made by a food spider B. Shows how feeding relationships are interlinked C. Shows the number of organisms in a habitat D. Only shows important animalsarrow_forwardThis map shows the spread of the red fire ant after its introduction into the United States in Mobile, Alabama, in the 1930s: Which statement best explains the importance of interspecific relationships in the success of this invasive species?a. Ecosystems with more resources will support the red ant over the native ant b. Invaded communities with higher species richness will allow the red ant to thrive c. Communities with fewer feeding relationships are less resilient to change. d. Native ants have a higher relative abundance compared to the invasive red ant.arrow_forwardWhich of the following statements is correct regarding the competitive exclusion concept? a. multiple species can’t share the exact same niche within a community b. the realized niche of a species is different from its fundamental niche. c. competition within a population results in the success of the best-adapted individuals. d. two species cannot coexist within the same habitat.arrow_forward
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