WorksheetsThe History of Life
Total questions: 15
Worksheet time: 11mins
The type of fossil that is an organism trapped in tree resin that hardens after being buried is?
Natural Cast
Amber Preserved Fossil
Trace Fossil
Permineralized fossil
The type of fossil that is an impression left in sediment, and minerals fill the impression in, recreating the original shape of the organism
Natural Cast
Amber Preserved Fossil
Trace Fossil
Permineralized Fossil
The type of fossil that is a record of the activity of an organism, such as a nest or fingerprints
Amber Preserved Fossil
Natural Cast
Trace Fossil
Permineralized Fossil
How are permineralized fossils formed?
The organism is immersed in a bog
An impression is left in the sediment
Organism becomes encased in materials such as ice or volcanic ash
Minerals are deposited around a hard structure and may replace the structure
What can be used to find the age of a fossil or rock?
The Brittleness Spectrum
Radiometric Dating
X-Ray Dating
Relative Dating
Which of the following periods are part of the Paleozoic Era? (Select all that apply)
Permian Period
Devonian Period
Mesozoic Period
Cambrian Period
Which of the following are part of the Mesozoic Era? (select all that apply)
Tertiary period
Cretaceous period
Jurassic period
Triassic period
What term is used to refer to the smallest unit of geologic time?
century
era
period
epoch
How old is the Earth estimated to be?
2022 years
10,000 years
4.6 billion years
4.6 million years
The amount of time it takes for half of a radioactive isotope to decay is known as the:
half-life
isotope
product
radiocarbon
The evolution of primates occurred in which of the following time periods?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
The theory of endosymbiosis states that large prokaryotes took up smaller simple prokaryotes that became:
mitochondira and chloroplasts
the cellular nucleus
complex amino acids
mitochondira and nuclei
During the Cenozoic era, which group of organisms underwent the most dramatic radiation?
birds
mammals
fish
plants
When did Homo sapiens first appear?
2 million years ago
200,000 years ago
20,000 years ago
2022 years ago
The first land organisms emerged during the:
Cretaceous Period
Paleozoic Era
Mesozoic Era
Tertiary Period
