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  2. Bird (mathematical artwork) - Wikipedia

    en.wikipedia.org/wiki/Bird_(mathematical_artwork)

    The set of the 20,001 circles defined above form a subset of the plane that resembles a flying bird. Although this version's equations are a lot more complicated than the version made of 500 segments, it has a better resemblance to a real flying bird.

  3. Corpuscles of Herbst - Wikipedia

    en.wikipedia.org/wiki/Corpuscles_of_Herbst

    The corpuscles of Herbst or Herbst corpuscles are nerve-endings similar to the Pacinian corpuscle, found in the mucous membrane of the tongue, in pits on the beak and in other parts of the bodies of birds.

  4. Chalaza - Wikipedia

    en.wikipedia.org/wiki/Chalaza

    The chalaza (/ k ə ˈ l eɪ z ə /; from Ancient Greek χάλαζα (khálaza) 'hailstone'; pl.: chalazas or chalazae / k ə ˈ l eɪ z i /) is a structure inside bird eggs and plant ovules. It attaches or suspends the yolk or nucellus within the larger structure.

  5. Plant perception (physiology) - Wikipedia

    en.wikipedia.org/wiki/Plant_perception_(physiology)

    Plant perception is the ability of plants to sense and respond to the environment by adjusting their morphology and physiology. [1] Botanical research has revealed that plants are capable of reacting to a broad range of stimuli, including chemicals, gravity, light, moisture, infections, temperature, oxygen and carbon dioxide concentrations, parasite infestation, disease, physical disruption ...

  6. Swarm behaviour - Wikipedia

    en.wikipedia.org/wiki/Swarm_behaviour

    Many birds migrate in flocks. For larger birds, it is assumed that flying in flocks reduces energy costs. The V formation is often supposed to boost the efficiency and range of flying birds, particularly over long migratory routes. All the birds except the first fly in the upwash from one of the wingtip vortices of the bird ahead.

  7. Plant arithmetic - Wikipedia

    en.wikipedia.org/wiki/Plant_arithmetic

    A closing trap. The Venus flytrap can count to two and five in order to trap and then digest its prey. [1] [2]The Venus flytrap is a carnivorous plant that catches its prey with a trapping structure formed by the terminal portion of each of the plant's leaves, which is triggered by tiny hairs on their inner surfaces.

  8. NYT ‘Connections’ Hints and Answers Today, Friday, January 17

    www.aol.com/nyt-connections-hints-answers-today...

    If you've been having trouble with any of the connections or words in Friday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down ...

  9. Apophysis - Wikipedia

    en.wikipedia.org/wiki/Apophysis

    Apophysis may refer to: . A tubercle (bone); Apophysis (spider), an outgrowth of the exoskeleton in spiders and other arachnids In botany, an outgrowth or enlargement of an organ such as a plant stem