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Science
7th
grade
Heredity and Adaptation Inv. 2/3 Lines of Descent/Adaptation
16 questions
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- 1. Multiple ChoiceHeredity is the passing of traits from _____________________ to _____________________predators to preywater to rainparents to offspringfungi to protists
- 2. Multiple ChoiceA giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.an adaptationenvironmentresponsestimulus
- 3. Multiple ChoiceGenetic differences between organisms of the same speciesVariationAdaptationBehaviorEnvironment
- 4. Multiple Choice
Explain how a mutation in an individual's DNA can become an adaptation in a population. (Mark ALL that apply.)
All mutations are beneficial.
An adaptation occurs if a mutation helps an individual survive and reproduce.
Over generations, the mutation will become more common.
An adaptation occurs if a mutation isn't passed on to offspring.
- 5. Multiple ChoiceThe trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?Dark mothLight mothBoth will be equally successfulNeither will be successful
- 6. Multiple ChoiceWhere do adaptations come from?The individual organism decides to adaptMutations that give an organism an advantage in its environment
- 7. Multiple ChoiceYou look at two species and see very similar DNA. What does this likely tell you?These are the same animal.These animals have a common ancestor.These animals are not likely related.These animals are likely becoming one species.
- 8. Multiple Choice
Why do scientists believe that the horse and zebra are related? (select all)
Because they have the same fur pattern
Because they share many common inherited characteristics
Because they share a common ancestor
- 9. Multiple Choice
All living organisms have DNA
true
false
- 10. Multiple Choice
1. any trait of an organism that increases its chances of surviving and reproducing
artificial selection
allele
adaptation
mutation
- 11. Multiple Choice
Every living thing, from tiny organisms like bacteria, to plants, animals and humans, has some characteristics which make it special. These are called
traits
chromosomes
diet
life expectancies
- 12. Multiple Choice
An animal that is best camouflaged in its environment has the best chance to do all of the following EXCEPT.
survive in the wild
reproduce
pass its color pattern on to the next generation
quickly evolve in a week
- 13. Multiple Choice
Background Matching is a form of camouflage. Which is the correct definition?
a type of concealment in which an organism avoids recognition by resembling its background in coloration, form, or movement
a type of concealment in which an organism looks exactly like another organism
a form of concealment in which the upper surfaces of the body are more darkly pigmented than the unilluminated lower areas.
when an organism’s color is broken up with a pattern like stripes or spots so it confuses or conceals when alone or in a group
- 14. Multiple Choice
Which of the following pictures is an example of disruptive coloration?
- 15. Multiple Choice
Which of the following pictures is an example of mimicry?
- 16. Multiple Choice
Countershading is observed in a wide range of animal groups, including terrestrial animals such as deer, and marine animals such as shark. What is counter shading?
is a method of camouflage in which an animal's coloration looks very similar to another, often poisonous animal.
is a method of camouflage in which an animal's coloration totally matches its backround
is a method of camouflage in which an animal's coloration is darker on the upper side and lighter on the underside of the body.
a form of camouflage that works by breaking up the outlines of an animal with a strongly contrasting pattern.
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