Video Experimental Relacionado

Updated: Jul 12, 2026

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes
06:27

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

Morfógenos interespecíficos que regulan las relaciones presa-depredador en los protozoos.

H W Kuhlmann, K Heckmann

    Science (New York, N.Y.)
    |March 15, 1985
    PubMed
    Resumen

    Las señales de los depredadores desencadenan cambios morfogenéticos defensivos en el ciliado Euplotes octocarinatus, alterando la arquitectura celular sin división celular. Esta adaptación ayuda a regular las poblaciones de presas y depredadores, fomentando la coexistencia.

    Más Videos Relacionados

    Using the Protozoan Paramecium caudatum as a Vehicle for Food-borne Infections in Zebrafish Larvae07:49

    Using the Protozoan Paramecium caudatum as a Vehicle for Food-borne Infections in Zebrafish Larvae

    Published on: January 7, 2019

    Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients08:10

    Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients

    Published on: December 14, 2015

    Videos de Conceptos Relacionados

    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...
    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...
    Diversity of Protists II01:27

    Diversity of Protists II

    Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
    Symbiosis00:58

    Symbiosis

    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...
    Diversity of Protists IV01:27

    Diversity of Protists IV

    Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
    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...