Cone cell
(1) In plants, the reproductive structure of a conifer.
(2) In vertebrates, a type of photoreceptor cell in the retina, concerned with the perception
of color and with the most acute discrimination of detail.
Conical
Relating to or resembling a cone
Conidium
A naked, asexual spore produced at the ends of hyphae in ascomycetes.
Conifer
A gymnosperm whose reproductive structure is the cone. Conifers include pines, firs,
redwoods, and other large trees.
Conjoint
Xylem and phloem are together in the same vascular bundle.
Conjoint bundles
Conjoint vascular bundles xylem and phloem occure in the same vasciular bundle on the
same radius that is one above the other
Conjugation
In bacteria, the transfer of DNA between two cells that are temporarily joined.
Connective tissues
Animal tissue that functions mainly to bind and support other tissues, having a sparse
population of cells scattered through an extracellular matrix.
Conservation biology
A goal-oriented science that seeks to counter the biodiversity crisis, the current rapid
decrease in Earth's variety of life.
Consumer, in ecological systems
A heterotroph that derives its energy from living or freshly killed organisms or parts thereof.
Primary consumers are herbivores; higher-level consumers are carnivores.
Continental drift
The gradual movement of the Earth's continents that has occurred over hundreds of millions
of years.
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