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- 1. Multiple Choice
What are the 4 parts of natural selection?
traits, overproduction, selection, adaptation
overproduction, genetic variation, selection, adaptation
overproduction, evolution, selection, adaptation
- 2. Multiple Choice
What does overproduction mean?
More offspring are born than the environment can support.
Less offspring are born than the environment can support.
The exact amount of offspring are born for the environment.
- 3. Multiple Choice
How many cubs may a female jaguar have at a time?
2
3
4
- 4. Multiple Choice
What does genetic variation mean?
Within a population there are no differences in traits.
Within a population all organisms are identical.
Within a population there are naturally occurring variations in traits.
- 5. Multiple Choice
What example of a genetic variation is given on the book page?
The different jaw sizes in two jaguars.
The different spots pattern on two jaguars
The size of teeth in two jaguars.
- 6. Multiple Choice
Genetic differences, or variations, pass from…
offspring to their parents
offspring to offspring
parents to their offspring
- 7. Multiple Choice
Genetic variation introduces changes to…
the differences of a population.
the traits of a population.
the variation of a population.
- 8. Multiple Choice
Greater genetic variation in a population increases the chance that some individuals have traits that can help them __________________ environmental changes or disease.
trait
reproduce
survive
- 9. Multiple Choice
What are resources that organisms need for survival?
food, water, soil, mates
food, water, space, mates
food, plants, space, mates
- 10. Multiple Choice
What happened with the jaguar population
11,000 years ago?
Jaguars faced an increase in food supply because the climate changed.
Jaguars faced a shortage of water because the climate changed.
Jaguars faced a shortage of food because the climate changed.
- 11. Multiple Choice
Which variation became important for survival?
Jaw size
Number of spots
Foot size
- 12. Multiple Choice
Why did jaguars with larger jaws have an
advantage?
They could eat insects when other prey were hard to find.
They could eat hard-shelled reptiles when other prey were hard to find.
They could eat fish when other prey were hard to find.
- 13. Multiple Choice
Selection works only on traits that _______________ in a population.
are different
are absent
exist
- 14. Multiple Choice
Individuals with a helpful trait are more likely
to survive to ___________________.
become different
reproduce
evolve
- 15. Multiple Choice
What is the result of the trait being “selected”
for?
It becomes less common in the next generation.
It becomes more common in the next generation.
It disappears in the next generation.
- 16. Multiple Choice
What is an inherited trait that improves survival and the reproductive success of an organism?
a gene
an allele
an adaptation
- 17. Multiple Choice
How does the larger jaw size help the jaguar?
Jaguars were able to survive and reproduce when food was hard to find.
Jaguars were able to change and reproduce when food was hard to find.
Jaguars were able to survive and change when food was hard to find.
- 18. Multiple Choice
With each new generation, an adaptation can
become ___________ ____________ in a generation.
less common
less noticeable
more common
- 19. Multiple Choice
Over time, the genetic make-up of the
population can change due to the continuous ________________ of different adaptations.
variations
overproduction
inheritance
- 20. Multiple Choice
What are some other adaptations of the jaguar?
Sharp teeth
Spots for camouflage
Strong sense of smell
All other answers are correct
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