Question

Whoever gets this right gets 50 points and brainlyest.( no links) What unit of time is the earliest span of time in Earth’s history? ______________________________
____________________ are divided into ____________________ and periods can be further divided into ___________________.

What are the 3 eras of geologic time? _______________________________________________

Identify the era in which the following occurred:

____________________ Reptiles become dominant at the end of the era

____________________ Flowering plants became most common

____________________ Kinds of mammals increased

____________________ Dinosaurs became extinct

____________________ Seed plants were common by the end or the era

____________________ New mammals appeared while others became extinct

____________________ Formation of supercontinent Pangaea

____________________ Began with early invertebrates

____________________ Small mammals and birds appeared

____________________ Early vertebrate fish

____________________ Break-up of Pangaea

____________________ Flowering plants appeared at the end of the era

____________________ Early land plants (simple mosses and ferns)

____________________ Reptiles (including dinosaurs) dominated this era

____________________ Cone-bearing plants appear

____________________ First amphibians appear

____________________ Humans are a part of this era

____________________ Arachnids and insects appear

____________________ Diversity of life forms increase

____________________ Present Day Earth is in this era

____________________ Mass extinction of most marine invertebrates and amphibians

What are some events that can produce rapid changes to environmental conditions?



What typically results from these global events?



What marks the end of the Mesozoic Era?



What effects can explosive volcanic activity have on Earth?

Answer 1

Answer:

i don't know the answer but can you still give me brainliest? tyy <3

Explanation: