vertebrate

invertebrate

a seed / a pit or stone in a fruit / a gamete (reproductive cell such as a spermatozoan or egg) / a lineage, bloodline / an origin, cause / the materials or ingredients from which something is made

inanimate/non-living/inorganic object/matter

(anatomy) skeleton; a firm structure made up of bones that supports the body and its organs / the basis that forms something; a framework

nothing, nothingness / (Buddhism) mu; the null set: neither yes nor no (in response to a koan or other question that mistakenly assumes an affirmative or negative answer).

seed / plant, sow / class, kind, variety / (taxonomy) species

an origin, cause / a type, class

counter for number of kinds or types

a seed / a kind, type, sort, class, or category / (taxonomy) a species