It is uncertain what is meant by a "group".
If you Google "youngest species" you find that polýploid hýbrid flowers are the newest and easiest to create, with Senecio eboracensis at 40 years ago. The cross sign × is supposed to be written before the specific epithet but isn't represented in the paper.
mamals
Angiosperms
Angiosperms
flowering plants are part of a large group called angiosperms. They are the only (and most recently evolved group) to have flowers. Nonflowering plants are gymnosperms, seedless vascular plants (like ferns) and bryophytes.
ovary
The last major evolution of plants was the angiosperms(flowering plants).
gametangia
Angiosperms
i wish i knew the answer.
Angiosperms
Bamboo wasn't invented it was a plant that evolved and grew naturally just like most of the other plants in the world.
green algae
Because their ancestors had legs. Snakes most likely evolved from a group of lizards related to modern monitor lizards.