WorksheetsChapter 14 - The History of Life
Total questions: 13
Worksheet time: 7mins
Which is an example of the theory of spontaneous generation?
Tadpole becomes frogs
A starfish can grow from a severed arm.
Damp hay can create mice.
An oak tree can from from a tiny acorn.
What gas do scientists think was absent from Earth's early atmosphere?
sulfur
oxygen
nitrogen
water vapor
In which time period did the first land vertebrates appear?
Cambrian
Devonian
Triassic
Mesozoic
In which type of rocks do paleontologists search for fossils?
Igeneous
Metamorphic
Sedimentary
Volcanic
Which dating method determines the age of rocks by comparing them to rocks in other layers?
Absolute dating
Geological dating
sedimentary dating
relative dating
Which geological change during the Mesozoic era had the greatest effect in shaping the course of evolution?
Plate tectonics
Extensive glaciation
Increased volcanic rock
Meteorite impact
At one time, people believed that maggots growing on rotting meat was created by the rotting meat. This is the idea of _______________
Biogenesis
Transgenesis
Primordial generation
Spontaneous generation
What is the half-life of the radioactive isotope shown in the graph?
36 years
18 years
200 years
72 years
Determine the age of the rock if it contains 40% C-14
2,900 years
7,580 years
11,460 years
5,730 years
What idea was Pasteur trying to prove?
Theory of biogenesis
Theory of transgenesis
Theory of spontaneous generation
Theory of primordial generation
Berrylium-10 (Be-10) has a half-life of about 1.5 million years. If a sample is analyzed and is determined to contain 1/4 of the original Be-10, what is the age of the sample?
750,000 years
3 million years
4.5 million years
6 million years
Which provides the best evidence that a meteorite struck the Earth 65 million years ago?
A large crater was found.
The sudden appearance of mammals.
A layer containing high levels of iridium was found.
The sudden disappearance of dinosaurs.
In the experiment using water and gases to simulate Earth's early atmosphere, which one was not a final product?
amino acids
RNA molecules
nucleotides
sugar
