![neo-lamarckism neo-lamarckism](https://www.tekportal.net/wp-content/uploads/2018/12/neo-lamarckism.png)
noun Biology.
- Lamarckism as expounded by later biologists who hold especially that some acquired characters of organisms may be inherited by descendants, but that natural selection also is a factor in evolution.
noun
- a theory of evolution based on Lamarckism, proposing that environmental factors could lead to adaptive genetic changes