Cycas and Ginkgo are connecting links between
Bryophytes and pteridophytes
Pteridophytes and gymnosperms
Gymnosperms and angiosperms
Thallophyta and bryophyta
The study of the fossil plants is known as
In human beings, vestigial organs are
A baby has been born with a small tail. It is the case of exihibiting
Basic unit of evolution is
The correct meaning of natural selection is