There are two options!
Hands-On Activity: Domesticate an Animal
Big Idea
Domestication happens when humans and animals influence each other over many generations. Humans did not simply make wild animals “obey.” Instead, people repeatedly chose animals with helpful traits, and those traits became more common over time. By comparing a wild animal with a domesticated version, we can explore how selective breeding changes species.

Materials

• Paper or notebook
• Pencil
• Colored pencils or markers
• Animal reference images (optional)

What to Do

Step 1: Choose a Wild Animal
Choose an animal that humans might want to domesticate. This can be a real animal or an imaginary creature.

Examples:

• Deer
• Wildcat
• Wild boar
• Wild bird
• unicorn
• dragone

Write down the animal’s wild traits.

Think about:

• How does it protect itself?
• How does it find food?
• How does it react to danger?
• How does it behave around other animals?
• What physical features help it survive?

Example:
Wild Fox

• Easily frightened by humans
• Hunts alone
• Sharp teeth and claws
• Excellent hearing
• Fast and alert
• Avoids unfamiliar places

Step 2: Decide What Humans Would Select For
Imagine humans begin living near this animal. What traits would make the animal easier and safer to live with?

Choose traits humans might encourage:

• Calm around people
• Less fearful
• Social
• Easier to feed
• More cooperative
• Less aggressive
• Able to live near humans

Remember: humans cannot just choose what an animal looks like. The traits must be inherited and passed down.

Step 3: Create Your Domesticated Animal
Design what your animal might look like after many generations of selective breeding.
Draw or describe:
Name of animal: ___________
Wild ancestor: ___________
Traits of the wild animal:

• 
  
• 
  

Traits of the domesticated animal:

• 
  
• 
  

How did humans use this animal?

• Food?
• Transportation?
• Protection?
• Companionship?
• Farming?

Step 4: Add Unexpected Changes
Scientists studying domestication have discovered that selecting for one trait can sometimes cause other changes.

Choose one unexpected change your animal develops:

• Different coat colors
• Smaller size
• Floppy ears
• Curly tail
• More playful behavior
• Changes in body shape

Explain:
"Humans selected for ____________, but the animal also developed ____________."

Reflect

• Why did you choose the traits you selected?
• Would your animal survive better in the wild or around humans? Why?
• How is your domesticated animal different from its wild ancestor?
• Could humans domesticate every animal? Why or why not?
• What traits would make an animal easier to domesticate?

What's Really Happening (Caregiver Explanation)
This activity models the process of artificial selection, where humans influence which traits become more common in a population by choosing which animals reproduce.

Real domestication took thousands of years. Early humans did not create detailed breeding plans. Instead, they made small choices again and again: keeping calmer animals nearby, protecting useful animals, and allowing those animals to reproduce.

Over many generations, inherited traits changed entire populations. Wolves became dogs, wild aurochs became cattle, and wild horses became the animals that transformed transportation across the ancient world.

Domestication also caused unexpected changes. The Belyaev fox experiment showed that when scientists selected only for friendliness, other traits (such as coat color, ear shape, and behavior) changed too. This demonstrates how connected traits can be within living things.

Digging Deeper
Choose a modern domesticated animal and compare it with its wild ancestor.

• How are they different?
• Which traits did humans likely select for?
• What traits might have appeared accidentally?

Imagine humans discovered a new species today. What traits would scientists look for to decide whether it could be domesticated?




Optional Lab: Natural Selection Simulator 

Big Idea
Animals are born with different traits, and those traits can affect how well they survive in a particular environment. Over many generations, helpful inherited traits can become more common in a population. While domestication happens because humans select traits, natural selection happens because the environment affects which traits help organisms survive.

Materials
Computer or tablet
Internet access
PhET Natural Selection Simulation
Paper or science notebook
PhET Natural Selection Simulation

What to Do

Step 1: Explore the Simulation
Open the Natural Selection simulation and spend a few minutes exploring.
Notice:

• What traits can change?
• What environmental factors can you control?
• How does the bunny population change over time?

Step 2: Test Fur Color
Start with a population of rabbits.
Change the environment and observe:
Question: Which fur color helps rabbits survive better in this environment?
Record:
Environment: ___________
Most successful fur color: ___________
Why do you think this trait helped the rabbits survive?

Step 3: Test a Different Trait
Experiment with another trait.
Try changing:

• Food availability
• Predators
• Environment
• Genetic traits

Record:
Trait being tested: ___________
What happened to the population?
Did the trait become more common or less common?
Why?

Step 4: Connect to Domestication
Think about the difference between what happened in the simulation and what happened with domesticated animals.

Natural Selection:

• The environment determines which traits are helpful.
• Animals with helpful traits are more likely to survive and reproduce.

Domestication:

• Humans choose which animals reproduce.
• Humans select traits they find useful.

Compare:
A wild rabbit population changes because:
A domesticated animal population changes because:

Reflect

• Why don't all animals develop the same traits?
• How can the same trait be helpful in one environment but harmful in another?
• How is natural selection different from selective breeding?
• Why do you think humans were able to change animals faster through domestication than the environment changes wild populations?

What's Really Happening (Caregiver Explanation)
This simulation models natural selection, where inherited traits influence which organisms are more likely to survive and reproduce in a particular environment. Over many generations, traits that provide an advantage may become more common in a population. 

Domestication is related but different. Instead of the environment selecting traits, humans do the selecting. When people repeatedly choose animals with certain traits (such as calm behavior in foxes or useful traits in livestock) those traits can become more common over many generations.

Together, natural selection and artificial selection show how populations can change over time.

Digging Deeper
Choose one trait from the simulation and imagine humans selecting for it instead.
For example:

• Rabbits with calmer personalities
• Rabbits that tolerate humans
• Rabbits with useful fur

How might this animal change after many generations of selective breeding?
Would it become domesticated? Why or why not?