
Unit 1.3 Test Review and Corrections
Presentation
•
Science
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7th Grade
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Practice Problem
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Medium
Ashley Nieves
Used 3+ times
FREE Resource
5 Slides • 9 Questions
1
2
Multiple Choice
Why is genetic variation important in sexual reproduction?
It increases the chance of survival during outbreaks
It decreases the chance of mutations
It makes all offspring identical
It requires only one parent
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4
5
Multiple Select
Which of the following are examples of natural selection?
Bugs camouflaging into their environment
Breeding chickens to lay more eggs
Animals growing thicker fur in winter
Birds beaks adapting to available food sources
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7
Multiple Choice
Artificial selection is when _____________ choose desirable traits in organisms.
organisms
dogs
animals
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Test Retake- Most Missed Questions
Use your prior knowledge and the review you just completed to answer the most missed questions from Unit 1.3 CUA
9
Drag and Drop
An advantage of sexual reproduction is that there is more chance for genetic
10
Multiple Choice
Humans have selectively bred animals for many years. Selective breeding helps to produce favored traits in
the animals. One example of animals that are selectively bred is chickens. Which of the following traits is most
likely achieved in chickens through selective breeding?
producing offspring that have longer legs
producing offspring with no feathers
producing larger eggs
producing less eggs
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Multiple Choice
Looking at the table which plant can you conclude reproduces through sexual reproduction and why?
Plant B because they are uniform.
Plant A because there is genetic variation in the form of colors
Plant A because they are genetically identical
Plant B because it comes in only 1 color
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Categorize
2 parents
Reproduction takes more time and energy
High genetic variation
Small amount of offspring produced
Populations can adapt to change
1 parent
Reproduction takes less time and energy
No genetic variation
Large amount of offspring produced
populations can not adapt to change
Categorize the characteristics into the correct type of reproduction.
13
Multiple Choice
Look at the cats in the image.
Why does the kitten look to be different from its parents?
The kitten gets a mix of traits from both parents.
The kitten has a disease that makes it look that way
The kitten had poor nutrition during development
The kitten is not fully grown and will look identical when it becomes an adult
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Multiple Choice
Which statement describes an advantage of sexual reproduction when compared to asexual reproduction?
Sexual reproduction requires less time and energy because a mate is not needed for reproduction.
Sexual reproduction introduces different DNA, which result in greater diversity within the
population.
Sexual reproduction produces genetically identical offspring, which are less likely to have genetic
mutations.
Sexual reproduction produces offspring that are almost always adapted to their environment.
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