Feeding Terms
Food Chain and Webs
Photosynthesis power
Energy Flow
Productivity and Pyramids
100
An Organism that produces its own food, usually through photosynthesis, is called a what?
Producer
100
What is a diagram that shows the interconnected food chains in an ecological community called?
Food web
100
Name one inorganic substance that plants use in photosynthesis
carbon dioxide
100
Approximately what percentage of energy is transferred from one trophic level to the next in a food chain?
10 %
100
What units might be used to measure the productivity of a forest ecosystem?
GPP, NPP, NEP
200
What term describes an animal that eats plants and meats
Omnivore
200
If a disease wipes out the primary consumers in a food chain, what immediate effect might this have on the producer population?
increase , leading to resource depletion
200
Write the simplified word equation for how plants convert light energy into chemical energy.
The simplified word equation for how plants convert light energy into chemical energy is 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂.
200
Explain why there are generally fewer organisms at higher trophic levels compared to lower trophic levels.
the transfer of energy is too low to support alot of organisms at the top
200
How does the amount of sunlight available in an aquatic ecosystem affect its primary productivity?
directly influences its primary productivity
300
arrange the following in a simple food chain : grass, cow , sun
sun,grass,cow
300
Describe how arrows are used to represent the flow of energy in a food web
transfer of energy
300
Some bacteria can produce energy without sunlight. What is this process called?
chemosynthesis
300
If a tertiary consumer obtains energy from a secondary consumer, where did the original energy in that interaction come from?
primary consumers
300
Describe an energy pyramid and explain why the base of the pyramid is always the largest.
An energy pyramid is a graphical representation of ecological relationships that shows the flow of energy at each trophic level in an ecosystem.