Biology Dictionary

  • Agnathans

    Agnathans

    Jawless vertebrates; not part of plant biology.

  • Agonistic behavior

    Agonistic behavior

    Social behavior related to fighting; not relevant to plant biology.

  • Agriculture

    Agriculture

    The practice of cultivating soil, growing crops, and raising animals; central to plant sciences.

  • AIDS

    AIDS

    Acquired Immunodeficiency Syndrome; a human disease, not related to plants.

  • Air sac

    Air sac

    In plants, refers to air-filled cavities such as in aerenchyma, facilitating gas exchange in aquatic or waterlogged conditions.

  • Akinete

    Akinete

    A thick-walled dormant cell derived from a vegetative cell in certain algae and cyanobacteria, aiding survival in harsh conditions.

  • Al

    Al

    Chemical symbol for aluminum; in plants, aluminum toxicity can affect root growth in acidic soils.

  • Ala

    Ala

    A wing-like structure; in botany, used to describe parts of flowers or seeds with winged extensions to aid in dispersal.

  • Alanine (a or ala)

    Alanine (a or ala)

    A non-essential amino acid found in many proteins and involved in plant nitrogen metabolism.

  • Albinism

    Albinism

    A genetic condition characterized by a lack of pigment; in plants, albino seedlings lack chlorophyll and cannot photosynthesize.