Concept explainers
Interspecific interactions affect the survival and reproduction of the species that engage in them. As shown in the table, these interactions can he grouped into three broad categories: competition, exploitation, and positive interactions.
Competitive exclusion states that two species competing for the same
For each interaction listed in the table, give an example of a pair of species that exhibit the interaction.
To provide: Examples of species involved in different types of interspecific interactions.
Concept introduction: Interspecific interactions refer to the relationship that exists between members of different species of a biological community. It includes commensalism, parasitism, herbivory, predation, competition, and others. These interactions can have either positive or negative impact on the survival of species engaged in the interaction.
Given data: Refer to the table in the concept 54.1 “ Community interactions are classified by whether they help, harm, or have no effect on the species involved”, in the textbook.
Explanation of Solution
The interspecific interactions can be classified into three categories, namely, positive interactions, competition and exploitation.
The positive interaction is a type of interaction in which one species are benefitted and the other may or may not get benefits but is never harmed.
The competition is a type of engagement where both the species are affected (harmed) as they share a common resource (short in supply).
In exploitation, one species get benefit while the other is affected negatively (harmed).
The positive interactions include mutualism and commensalism. On the contrary, exploitation involves predation, parasitism and herbivory.
Interactions along with its examples are tabulated as follows:
Type of interactions | Examples |
Competition | Lynx and foxes of Alaska (compete for snowshoe hares) |
Exploitation | |
Predation | Lion (predator) and antelope (prey) |
Herbivory | Rice grasshopper (herbivore) and rice plant (act as food) |
Parasitism | Plasmodium(parasite) and human (host) |
Positive interactions | |
Mutualism | Acacia and ant (both benefit each other) |
Commensalism | Cattle egrets (get a benefit)and African buffalo (not harmed) |
Want to see more full solutions like this?
Chapter 54 Solutions
Campbell Biology
- The competitive exclusion principle is best defined as Multiple Choice the competition among individuals of the same species in the same location. the principle that two species that occupy the same niche cannot coexist indefinitely. an interaction between species that enhances the fitness of the exploiting individual while reducing the fitness of the exploited individual. the principle that if an organism allocates energy to one function, such as growth or reproduction, it reduces the amount of energy available to other functions.arrow_forwardWhich of the following regarding species interactions is INCORRECT? a) The net effects of a mutualism on each participant is a fixed characteristic of the interaction, and is rarely influenced by external factors. b) Reciprocal parasitism is an accurate way of describing many mutualistic interactions. c) The Lotka-Volterra competition model accounts for the effects of both interspecific and intraspecific competition.arrow_forwardAs used in the interaction grid, MUTUALISMS are: Plus/plus interactions between two different species. Plus/plus interactions between two individuals of the same species. Plus/plus interactions either within or between species. Any interaction that is plus for one or both species.arrow_forward
- The figure below shows the growth of two species in two habitats, both when the other species is present and when it is absent. What kind of interaction is occurring between these two species? (Consider both habitats, not just the interaction within one particular habitat.) Answer choices: A. Mutualism B. Conditional C. Commensalism D. Competition E. Parasitismarrow_forwardHawks and owls rely on similar prey, but hawks feed during full daylight while owls hunt and feed from dusk to dawn. This is an example of which of the following? * resource partitioning intraspecific competition commensalism parisitismarrow_forwardCan you please help find the answer that is reasonable base on this chart?arrow_forward
- An ecologist studying the availability of nutrients and the distribution of the plants that live in this habitat is working at this level. An ecologist studying the size and distribution of the Karner blue butterfly is working at this level. An ecologist studying the mutualistic relationship between the Karner blue butterfly and ants is working at this level. An ecologist studying behavior of the caterpillars when they are at different larval stages is working at this level. < Previous a Choose ] [Choose ] Community Organismal Ecosystem Population ThouT [Choose ] [Choose] No new data to save. Last checked at 6:55pm S Carrow_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_forwardDistinguish between tolerance range and optimal range.arrow_forward
- A conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Based on this scenario, what is the most significant role of sea otters in the marine community? Why it’s important?arrow_forwardPlease match allarrow_forwardThe following picture represents mussels, goose barnacles, sea stars, anemones, etc. competing over space. Gary Luhm/Danita Delmont Stock Photography If the species ended up in each location by chance and are using up space without direct interactions, this would be an example of competition. If the species are actively competing with one another over who gets to live in which location (uplifting/crushing), this would be an example of competition. Act Go toarrow_forward
- Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage Learning