Task: Class Definition Understanding (ontology: Earth_Environment/EnvironmentOntology)

Which of the following definitions best describes 'fungal structure'?

A. The embryo and its adnexa (appendages or adjunct parts) or associated membranes (i.e. the products of conception) The the concept includes all structures that develop from the zygote, both embryonic and extraembryonic. It includes the embryo as well as the embryonic part of the placenta and its associated membranes - amnion, chorion (gestational sac), and yolk sac[WP].
B. Anatomical structure that overlaps the outer epithelial layer and is adjacent to the space surrounding the organism.
C. Anatomical structure that consists of cell parts and cell substances and together does not constitute a cell or a tissue.
D. An anatomical structure that forms all or part of a fungus.

Answer: An anatomical structure that forms all or part of a fungus.