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 D - Continuity & Change
Biology HL
Biology HL

Theme D - Continuity & Change

Exploring Natural Selection: The Overproduction Factor

Word Count Emoji
483 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Hey future biologists! 🌿 Strap in for a wild ride through the world of overproduction, competition, and the survival of the fittest (or luckiest?). Let's break down some sciencey stuff into fun facts and examples.

Overproduction of Offspring 🐣

👉 What's Up: Different species vary in how many kiddos they have. This is called their "breeding rate."

 

🐦 Example 1 - The Southern Ground Hornbill: These birds have a slow breeding rate, raising only one little bird every three years. They even need help from at least two other adults! 🐦

 

🌴 Example 2 - The Coconut Palm: These trees are more like the "party animals" of the plant world. They can produce between 20 and 60 coconuts each year! 🥥

 

🍄 Example 3 - Calvatia gigantea Fungus: Hold your hats! This fungus can produce a gigantic puffball with up to 7 trillion spores. That's 7,000,000,000,000 spores! 🤯

 

🔥 Hot Take: No matter how fast or slow the breeding rate, organisms usually produce more offspring than the environment can support.

Competition for Resources 🍔

👉 What's Up: Because there are more offspring than the environment can handle, there's a "Hunger Games" situation for resources like food, water, and light.

 

🌍 Carrying Capacity: The max number of individuals an environment can support.

 

🌵 Example - Plants in a Desert: The limiting resource here is usually water. Only so many plants can live before the desert turns into a plant ghost town. 👻

 

🌳 Example - Plants in a Rainforest: In this case, it's all about that light. Plants compete to grow tall and get their dose of sunlight. 🌞

 

🦁 Real-World Example: Imagine a group of lions and a limited number of gazelles. Not every lion will catch a gazelle; some might go hungry and fail to reproduce.

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IB Resources
Theme D - Continuity & Change
Biology HL
Biology HL

Theme D - Continuity & Change

Exploring Natural Selection: The Overproduction Factor

Word Count Emoji
483 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Hey future biologists! 🌿 Strap in for a wild ride through the world of overproduction, competition, and the survival of the fittest (or luckiest?). Let's break down some sciencey stuff into fun facts and examples.

Overproduction of Offspring 🐣

👉 What's Up: Different species vary in how many kiddos they have. This is called their "breeding rate."

 

🐦 Example 1 - The Southern Ground Hornbill: These birds have a slow breeding rate, raising only one little bird every three years. They even need help from at least two other adults! 🐦

 

🌴 Example 2 - The Coconut Palm: These trees are more like the "party animals" of the plant world. They can produce between 20 and 60 coconuts each year! 🥥

 

🍄 Example 3 - Calvatia gigantea Fungus: Hold your hats! This fungus can produce a gigantic puffball with up to 7 trillion spores. That's 7,000,000,000,000 spores! 🤯

 

🔥 Hot Take: No matter how fast or slow the breeding rate, organisms usually produce more offspring than the environment can support.

Competition for Resources 🍔

👉 What's Up: Because there are more offspring than the environment can handle, there's a "Hunger Games" situation for resources like food, water, and light.

 

🌍 Carrying Capacity: The max number of individuals an environment can support.

 

🌵 Example - Plants in a Desert: The limiting resource here is usually water. Only so many plants can live before the desert turns into a plant ghost town. 👻

 

🌳 Example - Plants in a Rainforest: In this case, it's all about that light. Plants compete to grow tall and get their dose of sunlight. 🌞

 

🦁 Real-World Example: Imagine a group of lions and a limited number of gazelles. Not every lion will catch a gazelle; some might go hungry and fail to reproduce.

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 🌟