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Chapter 7.1 Review (8th)
Test Description: Change Over Time
Instructions: Answer all questions to get your test result.
1) A characteristic that helps and organism survive and reproduce in its environment. A characteristic that improves an individual’s ability to survive and reproduce in a particular environment
A
evolution
B
characteristic
C
species
D
adaptation
2) A group of organisms that are closely related and can mate to produce fertile offspring
A
species
B
population
C
fossils
D
genus
3) A sketch that includes all known organisms
A
fossil record
B
timeline of life
C
tree of life
D
life record
4) The process in which populations gradually change over time. The process in which inherited characteristics within a population change over new generations such that new species sometimes arise
A
adaptation
B
evolution
C
heredity
D
surviving
5) A human’s arm, a cat’s front leg, a dolphin’s front flipper, and a bat’s wing
A
are very similar to insect wings and jellyfish tentacles
B
are used in similar ways
C
have similar kinds of bones
D
have nothing in common
6) In older layers of the Earth, are fossils more or less likely to resemble today’s animals or plants?
A
less likely
B
more likely
7) What are two signs that different species may have a common ancestor?
A
similar DNA and similar traits
B
similar DNA and different traits
C
similar fossils an different traits
D
different fossils and similar traits
8) How does an adaptation help an organism?
A
It helps the organism change colors
B
It improves its ability to survive and reproduce.
C
It improves its ability to change species.
D
It helps the organism become a fossil.
9) the sequence of life’s history as indicated by fossils
A
fossil
B
adaptation
C
tree of life
D
fossil record
10) Which of the following is NOT evidence that whales evolved from mammals that once lived on land?
A
the fact that whales are mammals
B
the fishlike shape of whales
C
fossil discoveries that link whales to mammals
D
the hip bones of whales
11) Where do scientists look for evidence of evolution?
A
in caves
B
in old books
C
in water
D
in the layers of the Earth
12) What is a fossil?
A
a layer of sediment
B
remains of a once-living organism
C
a living organism
D
a very old organism
13) The fossil record provides evidence about
A
the age of rocks.
B
the composition of minerals.
C
the number of layers the Earth has.
D
the order in which species have existed.
14) All living things inherit similar traits from their
A
fossils.
B
evolution.
C
ancestors.
D
descendants.
15) If you compared two kinds of living organisms, what might you learn about their history?
A
how long ago they evolved
B
whether they live in the same place
C
whether they could mate and reproduce
D
whether they share a common ancestor
16) What makes the human hand similar to a dolphin’s flipper or a bat’s wing?
A
the ability to flap
B
the structure of the skin
C
the structure and order of bones
D
the order of their evolution
17) What does the similarity between humans, dolphins, cats, and bats indicate?
A
that their ancestors lived in the same place
B
that they all evolved recently
C
that they are becoming more alike over time
D
that they share a common ancestor
*select an answer for all questions
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