2
488 species of rays
The lifespan of rays varies greatly by species. Some smaller rays (including electric rays) live only 20 years at most. Some species of stingrays can live up to 25 years old or slightly longer. The lifespan of manta rays can be as long as 50 years.
Isn't that a flower though?. What do you mean how many living species are there in Magnoliophyta?.
There are 43 living species of toucans.
Totally there are more than 5 million species living in the earth , in that 67 percentage are living as water species , so the remaining are land species.
There are 69 living species of eagle.
Bat rays and other rays.
A species that has died out is called an extinct species. There are many of them. Dinosaurs for instance.
There is only one living species of ginkgophyta, which is Ginkgo biloba.
Thousands of species.
yes
when there are no living members of a species the species is said to be "extinct".