Respuesta :
The Precambrian is the earliest era. It is followed by the Paleozoic, when multi-cellular life first flourished on earth After that came the Mesozoic - 'middle life' - the era before the current one which is the Cenozoic. Note that the Paleozoic, Mesozoic and Cenozoic are all part of the Phanerozoic Eon.
The geological era is the time that represents the developmental stages of organisms.
- They compare the different developmental stages of organisms which are divided into different eras according to certain characteristics.
- The different eras are the Mesozoic era, the Paleozoic era, and the Cenozoic era.
A. The Mesozoic era is also called the age of reptiles. this era is known as the age of dinosaurs. Plesiosaurs, mosasaurs, Tyrannosaurus Rex are some of the reptiles that used to live in the Mesozoic era.
Hence the correct option for this is Option 1. Tyrannosaurus Rex lived in this era.
B. Climate changes and low sea levels are considered as the cause of the end of the Paleozoic era. organism in this era suffered mass extinction due to various factors.
Hence the correct option for this is Option 2. the largest mass extinction occurred during the end of this era.
C. Paleozoic era is one the earliest era in the geological timeline. It is known for the evolution of arthropods and chordates.
Hence the correct option is Option 3. Life exploded for the first time.
D. Mesozoic age is called the age of conifers and reptiles. This era lasted 250-65 million years ago. In this era meteorite explosions took place.
Hence the correct option for this is option 4. The Chicxulub crater formed.
To learn further about the Mesozoic era follow the given link:
https://brainly.com/question/21458185