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. paleozoic mesozoic cenozoic

Explanation:

• First description: The Mesozoic era is known as the "Age of Dinosaurs". During this era, the first birds (like Archaeopteryx) and flowering plants (angiosperms) appeared.
• Second description: The Cenozoic era is the "Age of Mammals". Mammals, including humans (which are a type of mammal that evolved relatively recently in the Cenozoic), emerged and diversified during this era.
• Third description: In the Paleozoic era, at the start, most animals were aquatic. Over time, there was an evolution of life forms, and by the end of the Paleozoic (specifically the late Triassic which is at the cusp of the Paleozoic - Mesozoic transition in some classification contexts), early dinosaurs began to emerge.

Answer:

1. Mesozoic
2. Cenozoic
3. Paleozoic