very small marine life
The answer to this question is fish as fishes were the first invertbrates to evolve.
fish- amphibians- reptiles- birds -mammals
fish
over several thousand years the birds descendants evolve webbed feet and begin to feed on fish. is this an example of gradualism or punctuated equilibrium?
Dinosaurs emerged first. Some dinosaurs were birds, but they didn't come until later.
The first true birds likely evolved in the Late Jurassic and Early Cretaceous periods.
The five classes of vertebrates (fish, amphibians, reptiles, birds, mammals) evolved in the following order: fish appeared first, followed by amphibians, then reptiles, birds, and finally mammals. Each class adapted and diversified to exploit different environments and ecological niches over millions of years.
fish, dinosaurs, birds
birds fish moles and monkeys
1955
no
No, birds didn't evolve from lizards, but they did evolve from dinosaurs, a different group of reptiles. Dinosaurs are different from lizards especially because of their hip structure. Birds descended from a group of dinosaurs known as theropods (bipedal carnivores)