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Evolutionary Dynamics · Weeks 19-27

Darwin and the Theory of Natural Selection

Explore the historical context of Darwin's theory and the core principles of natural selection.

Key Questions

  1. Explain the key tenets of Darwin's theory of natural selection.
  2. Analyze how genetic variation serves as the raw material for natural selection.
  3. Differentiate between natural selection and artificial selection.

Common Core State Standards

HS-LS4-2
Grade: 12th Grade
Subject: Biology
Unit: Evolutionary Dynamics
Period: Weeks 19-27

About This Topic

This topic investigates the transformation of social interactions and language in the digital age. Students analyze how platforms like WhatsApp, Instagram, and TikTok have changed the way teenagers in target language cultures express friendship, intimacy, and conflict. This aligns with ACTFL Interpersonal and Cultures standards by examining the linguistic and social norms of digital communication.

Students explore the rise of 'text speak,' the use of emojis as cultural signifiers, and the impact of social media on privacy and mental health. They compare these digital habits across cultures, noting how different societies regulate or embrace social media usage. This topic is best explored through peer teaching and collaborative analysis of authentic digital texts, allowing students to engage with the language as it is actually used by their peers abroad.

Active Learning Ideas

Watch Out for These Misconceptions

Common MisconceptionText speak is 'lazy' and doesn't follow any rules.

What to Teach Instead

Digital language has its own complex grammar and social codes. Analyzing text threads in class can help students see that 'text speak' is a sophisticated adaptation of language for a new medium.

Common MisconceptionTeenagers everywhere use social media in the exact same way.

What to Teach Instead

Cultural norms around privacy, family, and authority significantly influence social media behavior. Group comparisons of 'influencer' styles in different countries can reveal these subtle cultural differences.

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Frequently Asked Questions

Is it okay to teach slang and 'text speak' in a formal language class?
Yes, as long as it is framed within the context of register. Students need to know when it is appropriate to use informal digital language versus formal written language. This distinction is a key part of advanced linguistic proficiency.
How can I ensure students stay safe when looking at social media in class?
Use curated examples or screenshots rather than having students browse live feeds. Focus on public-facing content like brand accounts, news outlets, or educational influencers to ensure the material remains appropriate.
How can active learning help students understand social media and relationships?
Active learning allows students to practice the real-time negotiation of meaning that happens in digital spaces. By role-playing conflicts or teaching slang, they are actively navigating the social and linguistic 'minefields' of the digital age, making the lessons immediately applicable to their own lives.
How does this topic relate to media literacy?
It serves as the foundation. Before students can identify bias or misinformation, they must understand the social and linguistic environment in which that information is shared and consumed.

Browse curriculum by country

AmericasUSCAMXCLCOBR
Asia & PacificINSGAU