Organic phenomenon and Spontaneous generation

Organic phenomenon noun - (biology) a natural phenomenon involving living plants and animals.

Spontaneous generation and organic phenomenon are semantically related. In some cases you can replace phrase "Spontaneous generation" with "Organic phenomenon", this phrases are similar.

Spontaneous generation noun - A hypothetical organic phenomenon by which living organisms are created from nonliving matter.

Organic phenomenon and spontaneous generation are semantically related. You can use "Organic phenomenon" instead a noun phrase "Spontaneous generation".