NS: 2.2 (3/29)

Last updated over 2 years ago

10 questions

Objective: SWBAT analyze genes on a cellular level in order to describe how reproduction leads to  leads to a trait becoming more or less common in a population over

Do Now: 

What do you notice about the traits of the offspring compared to the parents?

Where do organisms get their traits?

Exit Ticket Review: 

Student 1: Exemplar

Student 2: Approaching

Guided Notes: 

Thin Feathered Ducks
Create a histogram that will explain the change of increased thin feathered ducks.
Include the environmental labels below.

Thick Feathered Ducks
Create a histogram that will explain the change of increased thick feathered ducks.
Include the environmental labels below.

Practice:

Log into:
Amplify Science
Unit 8: Natural Selection
Chapter 2: Natural Selection and Reproduction
Lesson 2.2: Survival and Reproduction

Observing Reproduction in the Sim
Part 1: Considering Why the Distribution of Traits Changes in a Population
Consider the key concept: Individuals inherit their genes from their parents, and these genes determine their traits.
traits in a population are selectively chosen in a generation.
traits in a population are passed down from generation to generation.

Part 2: Observing Reproduction in the Natural Selection Simulation
Goal: Gather evidence to support or refute the claim that ostrilopes with adaptive traits have more offspring than ostrilopes with non-adaptive traits.
Do:
Open the Natural Selection Simulation and open the mode: Reproduction Claims.
Zoom into the environment in Build and select an ostrilope with one of the color traits in the table below.
Press RUN and count the number of times that ostrilope reproduces before dying.
Record that number in the data table below.
Press Reset in the Sim, select an ostrilope with another color trait from the table below, and press Play to repeat your observations.

Tip:
If the ostrilope dies before reproducing, record a 0 in the data table.

Results: 

Which ostrilopes became more common over time.

Describe the relationship between how long an ostrilope lived and how many offspring it had?

If the color of the environment became blue, which ostrilopes do you think would become more or less common, and why?

Claim: Ostrilopes with adaptive traits are more likely to reproduce than ostrilopes with non-adaptive traits.

Does the data from the entire class support or refute this claim?

Exit Ticket:

Dolphin Dorsal fin size
Large dorsal fins allow dolphins to swim faster and escape their predators.
Create a histogram that will explain the of increased dorsal fin size.
Include the environmental (no sharks/ sharks) labels below.

Explain why the dolphin dorsal fin size changed over time based on the histograms above.
CFS:
accurately describes the relationship between environmental changes and population variations
describes the cause and effect relationship between environmental factors and species traits

NS: 2.2 (3/29)

Objective: SWBAT analyze genes on a cellular level in order to describe how reproduction leads to leads to a trait becoming more or less common in a population over

Do Now:

What do you notice about the traits of the offspring compared to the parents?

Where do organisms get their traits?

Guided Notes:

Thin Feathered DucksCreate a histogram that will explain the change of increased thin feathered ducks.Include the environmental labels below.

Thick Feathered DucksCreate a histogram that will explain the change of increased thick feathered ducks.Include the environmental labels below.

Practice:

Which ostrilopes became more common over time.

Describe the relationship between how long an ostrilope lived and how many offspring it had?

If the color of the environment became blue, which ostrilopes do you think would become more or less common, and why?

Claim: Ostrilopes with adaptive traits are more likely to reproduce than ostrilopes with non-adaptive traits.Does the data from the entire class support or refute this claim?

Exit Ticket:

Dolphin Dorsal fin sizeLarge dorsal fins allow dolphins to swim faster and escape their predators.Create a histogram that will explain the of increased dorsal fin size.Include the environmental (no sharks/ sharks) labels below.

Explain why the dolphin dorsal fin size changed over time based on the histograms above.CFS:accurately describes the relationship between environmental changes and population variationsdescribes the cause and effect relationship between environmental factors and species traits

Thin Feathered Ducks
Create a histogram that will explain the change of increased thin feathered ducks.
Include the environmental labels below.

Thick Feathered Ducks
Create a histogram that will explain the change of increased thick feathered ducks.
Include the environmental labels below.

Claim: Ostrilopes with adaptive traits are more likely to reproduce than ostrilopes with non-adaptive traits.

Does the data from the entire class support or refute this claim?

Dolphin Dorsal fin size
Large dorsal fins allow dolphins to swim faster and escape their predators.
Create a histogram that will explain the of increased dorsal fin size.
Include the environmental (no sharks/ sharks) labels below.

Explain why the dolphin dorsal fin size changed over time based on the histograms above.
CFS:
accurately describes the relationship between environmental changes and population variations
describes the cause and effect relationship between environmental factors and species traits