Tutorial
iGCSE Biology: Food Chains and Food Webs
Learn about energy flow in ecosystems, including food chains, food webs, trophic levels, and ecological pyramids. This deck covers key iGCSE Biology concepts like energy transfer and biomass.
Tutorial
iGCSE Biology: Food Chains and Food Webs
Learn about energy flow in ecosystems, including food chains, food webs, trophic levels, and ecological pyramids. This deck covers key iGCSE Biology concepts like energy transfer and biomass.
Management & Tools
Deck Contents
45 CardsLesson#1
In this deck, we'll explore how energy flows through ecosystems. We'll start with the simplest model: the food chain.
Lesson#2
A food chain is a simple way to show how energy is transferred from one organism to another when it is eaten. For example, grass is eaten by a rabbit, which is then eaten by a fox.
Quiz#3
What does a food chain show the transfer of between organisms?
energy
Lesson#4
Nearly all food chains start with an organism that makes its own food using energy from the sun. These organisms are called producers.
Quiz#5
What is the scientific term for an organism at the start of a food chain that makes its own food?
a producer
Lesson#6
In a food chain diagram, arrows are used to show the direction of energy flow. A common mistake in exams is getting the arrows wrong. The arrow always points from the organism that is eaten to the organism that does the eating.
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