Coevolution
Coevolution - Related Videos
02:39
Predator-Prey Interactions
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2026
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.Although predation is commonly associated with carnivory, for...
10:30
Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
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Cited by 5 •
2016
This study presents an excavation method for investigating subsurface hydrological, geochemical, and microbiological heterogeneity of a soil lysimeter. The lysimeter simulates an artificial hillslope which was initially under homogeneous condition and had been subjected to approximately 5,000 mm of water over eight cycles of irrigation in an 18-month period.
12:19
Co-Culture In Vitro Systems to Reproduce the Cancer-Immunity Cycle
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2024
Here, we detail a simple, fast, and reliable multiparametric flow cytometry- and tumor-on-a-chip-assisted protocol to monitor and characterize the steps constituting the cancer-immunity cycle. Indeed, a thorough understanding of the interplays between cancer and immune cells provides critical insights to outsmart tumors and guide clinical care.
FAQs
An advantage gained by one interacting species can change the selective pressures experienced by the other. For example, improved performance in a predator may favor counteradaptations in prey, which can then create new pressure on the predator. Repeated cycles of adaptation and counteradaptation produce an evolutionary arms race, a pattern that helps explain continuing change in interacting populations.
The outcome depends on how the interacting organisms affect one another. Antagonistic relationships, such as predator and prey or parasite and host, can favor counteradaptations. In other relationships, a trait that improves performance in one partner may also favor a complementary trait in the other. These different selective outcomes can generate arms races, mimicry, or mutualism.
Yes. The relevant interaction does not always occur between separate species. Genes within one species can exert selective pressures on one another, allowing changes in one genetic component to influence the evolutionary success of another. This broader perspective connects coevolution to biological interactions at both the species level and the level of genetic relationships within a species.
Adaptation describes evolutionary change favored by a species’ conditions, whereas coevolution emphasizes reciprocal effects between interacting partners. The distinction matters because a trait cannot be interpreted only from the perspective of the organism that possesses it. Its significance also depends on how another species, or another gene within the species, responds and alters subsequent selection.
Researchers can examine predators and prey, parasites and hosts, plants and pollinators, and competing species. These relationships provide contrasting contexts for reciprocal selection. Predation and parasitism can illustrate counteradaptations, while plant-pollinator interactions can reveal complementary changes. Comparing such systems helps connect particular traits with broader patterns of biodiversity and ecological interaction.
Coevolutionary analysis helps researchers consider how interacting organisms may continue to change in response to one another. In disease research, it contributes to understanding disease emergence; in agriculture, it informs study of pests; and in conservation, it clarifies ecological relationships. It also helps assess how environmental change may reshape interactions and the biodiversity associated with them.