Energy Flow in Ecosystems Vocabulary Flashcards
1
Q
Biomass
A
The total mass of organisms in a particular area
2
Q
Consumer
A
An organism that takes in or consumes other organisms to receive energy; also called a heterotroph
3
Q
Decomposer
A
An organism that breaks down dead and decaying organisms to obtain energy
4
Q
Food Chain
A
A diagram of the energy transfer among organisms in an ecosystem
5
Q
Food Web
A
An illustration of the interconnected food chains in an ecosystem
6
Q
Producer
A
An organism that uses the energy from the Sun or inorganic substances to make its own food; also called an autotroph
7
Q
Trophic Level
A
Each step in a food chain that demonstrates the transfer of energy
