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WorksheetsNatural Selection
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
2.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
3.
Do organisms "decide" to evolve and change?
a)
Yes, they know they need to change to survive
b)
No, they change because of natural selection
4.
Any inherited trait that gives an organism an advantage in its environment is called ___.
a)
a mutation
b)
an adaptation
c)
evolution
d)
natural selection
5.
Which of the following means "change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
isolation
6.
____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species
a)
natural selection
b)
artificial selection
c)
speciation
d)
adaptation
7.
Most organisms have more offspring than will survive
a)
True
b)
False
8.
Why are advantageous traits more likely to be passed on to the offspring?
a)
Because parents with those traits can teach their offspring
b)
Because parents with those traits can surive and reproduce better
c)
Because parents with those traits care more about their offspring
9.
Which of the following would be considered a physiological adaptation?
a)
Human ability to sweat for evaporative cooling
b)
Hollow bones in birds allowing for flight
c)
The blubber in bears allowing them to hibernate.
d)
Webbed toes in frogs allowing for efficient water movement.
10.
In the Pom Poms and Predator Tools lab, what seemed to determine which adaptations were successful?
a)
It was random. Nothing was more successful.
b)
The individuals that best fit in with their environment were more successful
c)
The pom poms that showed up more against their environment survived
d)
The tool that was hardest to use captured the most pom moms
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