WorksheetsGeologic History and Human Impact Exam
Total questions: 20
Worksheet time: 3600secs
What is the accepted age of the Earth?
4.6 Million Years
4.6 Billion Years
4.6 Trillion Years
13 Billion Years
Which of these did not help to create the Geologic Time Scale?
Rock Layers
Fossil index
Relative dating
Written Records
The majority of Earth's history was spent in which Era?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Which of these is the smallest division of time we use for Geologic Time?
Era
Eon
Period
Epoch
Which of these is a description that matches Absolute Age?
A guess of when something happened
An order of events
The exact date of an event
Future events
What Era of the Earth do we live in now?
Paleozoic
Cenozoic
Precambrian
Mesozoic
What usually ends a Era?
An extinction event
A newly formed mountain
Every 4 millions years
Every 2 billion years
According to the Law of Superposition, which of these layers is the oldest?
The top layer
The darkest layer
The bottom layer
The lightest layer
If I were looking for Dinosaurs, which Era should I set my time machine for?
Precambrian
Paleozoic
Mesozoic
Cenozoic
When did the 1st mass extinction occur?
Precambrian
Paleozoic
Mesozoic
Cenozoic
What is the dominant land animal of the Cenozoic Era?
Amphibians
Mammals
Reptiles
Fish
Looking at the image, is A considered to be an intrusion?
True
False
Fossils are preserved remains of plants and animals from the distant past.
True
False
What is the main cause of most environmental problems on the planet?
Deforestation
Land usage
Growing population
Water usage
A group of the same species at the same time and place is known as
habitat
population
environment
consumption
A small oil spill is confined to that specific area it spilled in.
True
False
How do humans negatively impact the environment?
using excessive resources
using resources too quickly
producing & releasing harmful substance into the environment
all of the above
As human populations and per capita consumption of natural resources increase, the negative impacts on Earth increase.
True
False
What are some things we can do to prevent or reverse the negative effects of human behavior?
Reduce consumption
Reuse products
Recycle products
Throw away more products
Plastic bags are a threat or hazard to marine life because...
Sea animals might want to eat them and choke.
Sea animals might eat them and get their intestines clogged.
Sea animals might get entangled with bags and drown/starve
Sea animals do not eat plastic
