more from Peter Simons

Single Idea 12872

[catalogued under 9. Objects / E. Objects over Time / 12. Origin as Essential]

Full Idea

It is essential to an organism arising from sexual reproduction that it has its zygote as initial improper part.

Gist of Idea

The zygote is an essential initial part, for a sexually reproduced organism


Peter Simons (Parts [1987], 7.3)

Book Reference

Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.270

A Reaction

It can't be necessary that an organism which appears to be sexually reproduced actually is so (if you don't believe that, read more science fiction). It may well just be analytic that sexual reproduction involves a zygote. Nothing to do with essence.