What is one of the less obvious physical changes that domesticated animals have undergone?

Brain Size and Domestication Effects

Interactive Video
•
Biology, Science
•
9th - 10th Grade
•
Hard

Sophia Harris
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enhanced senses
Longer lifespans
Shrunken brains
Increased body size
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which animal has experienced the largest percentage decrease in brain size due to domestication?
Pigs
Cats
Trout
Ducks
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is brain size generally related to body size in animals?
Larger animals tend to have larger brains
Brain size is inversely proportional to body size
Brain size is unrelated to body size
Larger animals have smaller brains
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Within a species, how does the brain size of smaller individuals compare to larger ones?
Brain size is the same regardless of size
Smaller individuals have smaller brains
Brain size varies randomly
Smaller individuals have larger brains
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When comparing wolves and dogs of the same size, which has a larger brain?
They have the same brain size
It depends on the breed
Wolves
Dogs
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the brain is disproportionately affected by domestication?
Memory centers
Sensory processing areas
Panic button regions
Motor control areas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the size of the 'panic button' in the brain and an animal's temperament?
Larger panic buttons make animals more sensitive
Larger panic buttons make animals tamer
Panic button size has no effect on temperament
Smaller panic buttons make animals more aggressive
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How has selective breeding influenced the brain size of domesticated animals?
It has increased their brain size
It has had no effect on brain size
It has reduced their brain size
It has made their brains more complex
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