関連する実験動画

Updated: Jul 12, 2026

Using Enclosed Y-Mazes to Assess Chemosensory Behavior in Reptiles
06:15

Using Enclosed Y-Mazes to Assess Chemosensory Behavior in Reptiles

Published on: April 7, 2021

珊瑚ヘビの模倣:それは起こるのですか?

H W Greene, R W McDiarmid

    Science (New York, N.Y.)
    |September 11, 1981
    PubMed
    まとめ

    新しい証拠によると,無害なヘビは有毒なヘビを模倣する. 広範囲にわたる色彩パターンは,このサンゴヘビの模倣仮説を支持し,以前の疑惑に挑戦しています.

    さらに関連する動画

    Chemical Isolation, Quantification, and Separation of Skin Lipids from Reptiles07:55

    Chemical Isolation, Quantification, and Separation of Skin Lipids from Reptiles

    Published on: February 7, 2019

    In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples07:24

    In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples

    Published on: August 31, 2018

    関連する概念動画

    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...
    Nonconscious Mimicry01:13

    Nonconscious Mimicry

    Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
    Convergent Evolution01:54

    Convergent Evolution

    Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...
    Frequency-dependent Selection01:21

    Frequency-dependent Selection

    When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.Positive Frequency-Dependent SelectionIn positive...
    Understanding Species and Reproductive Barriers01:17

    Understanding Species and Reproductive Barriers

    A species is a group of organisms that interbreed and produce fertile offspring. Typically, individuals of the same species appear similar and share common characteristics due to their highly similar genomes. However, not all organisms that look alike are members of the same species. Various mechanisms keep most species discrete. While some mechanisms prevent reproductive behavior and fertilization (pre-zygotic isolation), others prevent the production of fertile offspring after mating has...
    Mate Choice01:20

    Mate Choice

    Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.