WorksheetsCh 6 Changes Over Time Test
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
A species is a group of organisms that can
a)
compete against one another
b)
adapt to new conditions in the environment
c)
eat the same food
d)
mate with one another and have offspring
2.
On his ocean voyage, Charles Darwin observed that living things
a)
in South America were exactly like the ones in England
b)
on the Galapagos Islands had some differences from those on the mainland of South America
c)
in England were like the fossils found in South America
d)
on the Galapagos Islands were exactly the same as those on the mainland of South America
3.
An adaptation is any trait that helps a living thing
a)
survive and reproduce
b)
overproduce variations
c)
become larger
d)
get stronger
4.
Limited food, water, and shelter result in
a)
fossils
b)
a change in environment
c)
competition
d)
overproduction
5.
Which is used by scientists to find out how different species are related?
a)
the locations of islands in the ocean
b)
the size of the organism
c)
the DNA of the organisms
d)
the temperature of the environment
6.
Which of the following provides evidence that living things have changed over time?
a)
Fossils
b)
Competition
c)
Overproduction
d)
Geologic Time Scale
7.
New species can form when
a)
a small group is isolated from the rest of its species
b)
the species has too much variation
c)
the species becomes extinct
d)
a species overproduces
8.
Most fossils form when the remains of living things are buried in
a)
leaves, stems, and roots
b)
molds
c)
sediments
d)
casts
9.
In layers of rock, the oldest fossil would be found in
a)
on the surface of the Earth
b)
A. the top rock layer
c)
B. the middle rock layer
d)
C. the lowest rock layer
10.
Many scientists think that mass extinctions were caused by
a)
rock slides
b)
climate changes
c)
variation in species
d)
overpopulation
11.
The preserved remains or traces of an organism that lived long ago are called
a)
evolution
b)
extinct
c)
fossils
d)
species
12.
The gradual changes in a species over time is called
a)
evolution
b)
extinct
c)
fossils
d)
species
13.
Scientists compare DNA sequences to find out how _______ are related to one another.
a)
fossils
b)
Geologic Time Scale
c)
Phylogenetic Tree
d)
species
14.
If no members of a species are still alive, then the species is
a)
evolved
b)
extinct
c)
Geologic Time Scale
d)
Phylogenetic Tree
15.
The "calendar" of Earth's history is called the
a)
Extinct
b)
Geologic Time Scale
c)
Phylogenetic Tree
d)
Species
16.
According to this phylogenetic tree, reptiles are more closely related to
a)
birds
b)
mammals
c)
they are equally related to birds and mammals
d)
they are not related to birds or mammals
17.
What evidence did scientists probably use to make this diagram?
a)
overproduction
b)
variations
c)
geologic time
d)
DNA and protein sequences
18.
What is a good title for this diagram?
a)
Precambrian Time Line
b)
Geologic Time Scale
c)
When Dinosaurs Lived
d)
Eras and Periods in Earth's History
19.
Which is the largest time span in the diagram?
a)
Precambrian Time
b)
Paleozoic Era
c)
Mesozoic Era
d)
Cenozoic Era
20.
What did scientists use to create this
a)
DNA sequences
b)
Variations in species
c)
The fossil record
d)
Climate change
21.
Put the fossils in order of age from youngest to oldest.
a)
A, B, C
b)
C, B, A
c)
C, A, B
d)
B, A, C
22.
What type of fossil is shown in this picture?
a)
petrified fossil
b)
mold and cast fossil
c)
preserved remains
d)
bone and shell fossil
23.
What type of fossil is shown in this picture?
a)
petrified fossil
b)
mold and cast fossil
c)
preserved remains
d)
bone and shell fossil
24.
What type of fossil is shown in this picture?
a)
petrified fossil
b)
mold and cast fossil
c)
preserved remains
d)
bone and shell fossil
100 %
