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Related Concept Videos

Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the biosynthesis of the...
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Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
Predator-Prey Interactions02:39

Predator-Prey Interactions

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...
Defenses Against Pathogens and Herbivores02:26

Defenses Against Pathogens and Herbivores

Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
Microbial Interactions: Predation01:28

Microbial Interactions: Predation

Microbial predation refers to the process by which one microorganism kills and consumes another to obtain nutrients and energy. It encompasses both bacterial and protozoan predators. This interaction plays a crucial role in shaping microbial communities and regulating nutrient cycling.Bacterial Predators: Epibiotic vs. EndobioticBacterial predators are classified based on their mode of attack as either epibiotic or endobiotic. Epibiotic predators, such as Vampirococcus, attach to the surface of...
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Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

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Updated: Jun 5, 2026

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

Benevolent herbivores?

M J Crawley1

  • 1M.J. Crawley is at the Department of Pure and Applied Biology, Imperial College at Silwood Park, Ascot, Berks SL5 7PY, UK.

Trends in Ecology & Evolution
|January 14, 2011
PubMed
Summary
This summary is machine-generated.

Plant-herbivore interactions are studied to understand how herbivory affects plant populations and ecosystems. Research explores herbivory

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Herbivore-induced Blueberry Volatiles and Intra-plant Signaling
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Last Updated: Jun 5, 2026

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

Herbivore-induced Blueberry Volatiles and Intra-plant Signaling
10:28

Herbivore-induced Blueberry Volatiles and Intra-plant Signaling

Published on: December 18, 2011

Detached Leaf Assays to Simplify Gene Expression Studies in Potato During Infestation by Chewing Insect Manduca sexta
05:56

Detached Leaf Assays to Simplify Gene Expression Studies in Potato During Infestation by Chewing Insect Manduca sexta

Published on: May 15, 2019

Area of Science:

  • Ecology
  • Evolutionary Biology
  • Plant Science

Background:

  • Plant-herbivore interactions are central to ecological and evolutionary processes.
  • Key questions involve herbivory's impact on plant populations and its role in natural selection.

Purpose of the Study:

  • To investigate the dual role of herbivory in shaping plant populations and driving plant evolution.
  • To synthesize current understanding of how herbivory influences plant distribution, abundance, and genetic diversity.

Main Methods:

  • Literature review and synthesis of existing research on plant-herbivore interactions.
  • Analysis of theoretical frameworks and empirical evidence regarding herbivory's ecological and evolutionary effects.

Main Results:

  • Herbivory significantly impacts plant distribution and abundance.
  • Herbivory acts as a selective pressure, influencing the performance and evolution of host plant genotypes.

Conclusions:

  • Understanding plant-herbivore dynamics is crucial for predicting population and ecosystem-level changes.
  • Herbivory's evolutionary consequences are evident at both population and ecosystem scales.