Biology HL
Biology HL
4
Chapters
553
Notes
Theme A - Unity & diversity
Theme A - Unity & diversity
Theme B - Form & Function
Theme B - Form & Function
Theme C - Interaction &  Interdependence
Theme C - Interaction & Interdependence
Theme D - Continuity & Change
Theme D - Continuity & Change
IB Resources
Theme B - Form & Function
Biology HL
Biology HL

Theme B - Form & Function

Unlocking Plants' Ingenious Tactics for Light Harvesting

Word Count Emoji
404 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Intro

Plants in lush environments (think jungles and forests) have this big issue - there's enough water 💦 and the temperature is just right, but everyone wants that sunshine ☀️! So, how do plants ensure they get their daily dose of Vitamin Sun? They adapt! And here's how.

Tall timber trees 🌳

  • Strategy: Trees grow straight up, racing to reach the forest's top layer. Why? The higher you are, the less you have to deal with shadows of your neighbors.
  • Real-world example: Think about the tall skyscrapers in a city. They stand tall to get the best view, right? Trees do the same to capture sunlight!

Lianas - the climbers 🌿

  • Strategy: Instead of growing tall on their own, they just climb on other trees.
  • Benefit: They save energy because they don't need to produce as much wood (xylem tissue).
  • Real-world example: Ever seen someone get a piggyback ride? That's what lianas do, but they're getting a sunlight-ride!

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IB Resources
Theme B - Form & Function
Biology HL
Biology HL

Theme B - Form & Function

Unlocking Plants' Ingenious Tactics for Light Harvesting

Word Count Emoji
404 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Intro

Plants in lush environments (think jungles and forests) have this big issue - there's enough water 💦 and the temperature is just right, but everyone wants that sunshine ☀️! So, how do plants ensure they get their daily dose of Vitamin Sun? They adapt! And here's how.

Tall timber trees 🌳

  • Strategy: Trees grow straight up, racing to reach the forest's top layer. Why? The higher you are, the less you have to deal with shadows of your neighbors.
  • Real-world example: Think about the tall skyscrapers in a city. They stand tall to get the best view, right? Trees do the same to capture sunlight!

Lianas - the climbers 🌿

  • Strategy: Instead of growing tall on their own, they just climb on other trees.
  • Benefit: They save energy because they don't need to produce as much wood (xylem tissue).
  • Real-world example: Ever seen someone get a piggyback ride? That's what lianas do, but they're getting a sunlight-ride!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Biology HL. Subscribe now and get closer to that 45 🌟