1.4.6 Energy Flow Worksheet
What is an ecosystem?
An ecosystem is a _________________________________________ with ___________________ and their __________________________ within _____________________, e.g. woodland, etc.
Energy Flow
Ecosystems are unable to function unless there is a constant ________________________________ _____________________.
Where does this energy come from? __________________
The Sun
The sun is the _________________________________________________ for our planet.
Energy Flow
is the _________________________________________________ from one organism to the next in an ecosystem due to ________________, e.g. along a food chain
Feeding allows _____________________________________________________ in an ecosystem.
Energy flow in the ecosystem
Food Chain
Is a flow diagram that begins with a _______________ and shows how _____________________ is passed through a series of ______________________________________.
Each organism feeds on the one before it.
A food chain ends when there is _____________________________________________________.
An example of a food chain:
__________ ( ____________ ( ______
A Grazing food chain
is one where the __________________________________ e.g.
________________ ( grasshoppers ( frogs ( hawks
________________ ( aphids ( ladybirds ( thrushes
________________ ( winkles ( crabs ( herring gulls
________________ ( zooplankton ( copepod ( herring
Grazing Food Chains
A Detritus food chain
is one where the chain begins with ________________________________________________ e.g.