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WorksheetsFossils
Total questions: 17
Worksheet time: 1hrs 7mins
Define the term "Radioactive dating"
Using group names such as "reptile", list the sequence in which the vertebrate groups appeared in the fossil record
The first fauna appeared in which epoch?
Ediacarian
Cambrian
Triassic
Ordovician
The development of amphibians a occured during which epoch?
Ordovician
Permian
Silurian
Devonian
What occurred during the Triassic period?
Gymnosperms increased in abundance
Flowering plants form widespread rainforests
Reptiles increase in number
Large rise in the number of birds and mammals
During what epoch did flowering plants diversify and increase in abundance?
Triassic
Jurassic
Cretaceous
Eocene
What events occurred during the Jurassic epoch?
Which three events occurred during the Pleistocene epoch?
Ice ages
Large rise in numbers of birds
Large mammals began to appear
Primitive humans appeared
Describe 5 different types of fossils and how they form.
Explain why the fossil record is incomplete.
Give a brief description, explaining how the geological time sale was constructed.
Some scientists estimate that only 25% of dinosaurs that existed have been discovered as fossils. Using your knowledge of what is required for the formation of fossils, explain why we will never find the examples of all the dinosaurs.
Using the decay curve for potassium to argon (page 110 of your text) how old is a fossil that had 0.1 or one-tenth of its potassium-40 remaining?
Roughly 2500 million years
Roughly 3500 million years
Roughly 4000 million years
Roughly 5000 million years
Which of the following are needed of an index fossil?
Have been fairly wide spread
Must be from a vertebrate
Be easy to identify
Have been abundant
Have lived for a narrow window of time
The study of the layers of strata (columns of sediment) is known as:
(a)
This index fossil is known as a
(a)
This index fossil is known as a
(a)
