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Fossils/Dating 2
Test Description: Earth History Unit
Instructions: Answer all questions to get your test result.
1) What kind of rock do fossils most often form in?
A
gneiss
B
metamorphic
C
igneous
D
sedimentary
2) In undisturbed sedimentary rock layers, where are your oldest fossils normally found?
A
they are never found.
B
in the bottom layer
C
on the top layer
D
in the middle
3) Which body parts would are most likely to form a fossil?
A
heart
B
bones, teeth, shells
C
skin
D
kidney
4) Ice cores are used by scientists to determine...
A
past climates/atmosphere composition
B
types of animals living in a region
C
ice cores do not exist
D
types of rocks that are in the area
5) Which is part of the process of radioactive dating for determining the age of fossils?
A
using the carbon 14 isotope
B
studying stratified bands of rocks
C
studying the different types of inclusions found in rock formations
D
observing the biozones of different species
6) According to Darwin's theory of evolution, what causes the struggle for survival in populations?
A
Natural selection
B
Favorable heritable variations
C
Overproduction of offspring
D
Competition between the fittest individuals in the population
7) How can plate tectonics contribute to evolution?
A
Volcanic eruptions can cause species to become extinct.
B
Radiation from plate tectonics can cause genetic change.
C
Separating plates can divide groups of a population
D
The movement of plates forces some animals underground.
8) Which statement is true?
A
Adaptations provide a benefit in a specific environment.
B
Adaptations are not common in a population.
C
Adaptations provide a benefit in any environment.
D
Adaptations and natural selection are the same thing.
9) For a trait to be an adaptation, the trait must provide
A
no change for the organism
B
a new environment
C
a new feature for the organism
D
an improved function or advantage for the organism
10) Which of these is commonly used to support the theory of evolution?
A
fossil record shows changes over time
B
similarities in DNA
C
all of the above
D
similarities in anatomical structure
*select an answer for all questions
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