Biology Dictionary

  • Digestion

    Digestion

    The biochemical process by which organisms break down food into smaller components that can be absorbed into the bloodstream for nutrition.

  • Dihybrid cross

    Dihybrid cross

    A genetic cross between two organisms that differ in two traits, used to study the inheritance of two genes simultaneously.

  • Dihydroxyacetone phosphate (dhap)

    Dihydroxyacetone phosphate (dhap)

    An intermediate in both glycolysis and gluconeogenesis, involved in energy production and glucose metabolism.

  • Dikaryotic

    Dikaryotic

    A condition in fungi where cells contain two distinct, genetically different nuclei, one from each parent.

  • Dilatant

    Dilatant

    A material that becomes more viscous or rigid when subjected to stress, as seen in certain non-Newtonian fluids.

  • Detritus

    Detritus

    Organic matter derived from the decay of plant and animal material, often found in ecosystems as a source of nutrients.

  • Detrivore

    Detrivore

    An organism that feeds on detritus, breaking down dead organic material and recycling nutrients.

  • Deuteromycetes

    Deuteromycetes

    A group of fungi that lack a known sexual reproduction stage, also known as imperfect fungi.

  • Deuterostomy

    Deuterostomy

    A form of embryonic development where the anus forms before the mouth, characteristic of deuterostome animals like vertebrates.

  • Development

    Development

    The series of changes and stages an organism undergoes from fertilization to maturity, involving growth, differentiation, and morphogenesis.