Food Chains & Food Webs
This organism is always found at the start of a food chain.
what is a producer
This word means all the living and non-living things in an area.
what is an ecosystem
This is needed for current to flow in a circuit.
what is a closed circuit
This device provides electrical energy to a circuit.
What is a battery?
This is the flow of electrons through a conductor.
What is current?
A hawk that eats a snake is this type of consumer.
What is a tertiary consumer?
The variety of life in an ecosystem is called this.
What is biodiversity?
A circuit with one path for current is called this.
What is a series circuit?
This device measures current.
What is an ammeter?
Voltage is measured in these units.
what are volts
This term describes many connected food chains.
What is a food web?
Cutting down forests can destroy this.
what is biodiversity
A circuit with multiple paths for current is called this.
What is a parallel circuit?
This device measures voltage.
what is a voltmeter
Resistance is measured in these units.
what are Ohms
This happens to energy as it moves up a food chain.
What is energy decreases?
A species introduced to a new area that causes harm is called this.
what is an invasive species?
When one bulb burns out in a series circuit, this happens.
What is all bulbs go out?
This device opens and closes a circuit.
what is a switch
This happens to total current when more branches are added in parallel.
what is increases
This organism breaks down dead plants and animals.
what is a decomposer
This describes using resources in a way that protects future generations.
What is sustainability?
In a parallel circuit, this stays the same across each branch.
what is voltage
This part of a circuit uses electrical energy.
What is a load?
This material is a good conductor of electricity.
what is copper