Tutorial
iGCSE Biology: Energy Flow
Learn how energy flows through ecosystems for iGCSE Biology, from the Sun to producers and consumers.
Tutorial
iGCSE Biology: Energy Flow
Learn how energy flows through ecosystems for iGCSE Biology, from the Sun to producers and consumers.
Management & Tools
Deck Contents
17 CardsLesson#1
Welcome to the final part of your Cambridge iGCSE Biology course, where you'll be learning about ecology and human environmental impact. By the end, you'll be ready to smash your exam. Remember to keep up with your reviews!
Lesson#2
All living things need energy to survive. For almost every ecosystem on Earth, the energy journey starts in the same place. The Sun is the principal, or main, source of energy that powers these biological systems.
Quiz#3
What is the principal source of energy for most biological systems?
the Sun
Lesson#4
Energy from the Sun reaches Earth as light energy. However, most organisms can't use this light energy directly. It needs to be captured and converted first. This job is done by organisms called producers, such as plants and algae.
Quiz#5
What is the term for organisms, like plants, that capture light energy from the Sun?
producers
Quiz#6
What form of energy from the Sun enters living systems through producers?
light energy
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