Question

use the drop - down menus to match each description to the geologic era it describes. the first birds and flowering plants appeared during this era. this is also when the most well - known dinosaurs lived. mammals, including humans, emerged during this era. at the beginning of this era, animals lived only in water. by the end, some early dinosaurs emerged.

Explanation:

1. The Mesozoic era is known for the appearance of the first birds, flowering plants, and the dominance of well - known dinosaurs.
2. Mammals, including humans, emerged during the Cenozoic era.
3. At the start of the Paleozoic era, animals were mainly aquatic, and by the end, early dinosaurs began to appear.

Answer:

1. Mesozoic era
2. Cenozoic era
3. Paleozoic era