Defination
Examples
Concepts
energy pyramid
100
What is food chain?
A linear sequence of organisms, showing the transfer of energy through feeding relationships.
100
2 examples of producers.
trees & algae
100
What do arrows represent in a food chain or food web?
The direction of energy flow, from prey to predator.
100
what is the 10% rule.
when energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed on.
200
What is food web?
Food webs involve multiple interconnected food chains, while food chains only show one linear sequence.
200
2 examples of tertiary consumer.
Eagle, tiger
200
What is the ultimate source of energy in most food chains?
The Sun
200
What are all of the trophic levels.
Producers, primary consumer, secondary consumer, and tertiary.
300
What is a secondary consumer?
An organism that feeds on primary consumers
300
2 examples of decomposers.
Worms , fungi
300
How do food chains vary in different ecosystems?
They depend on the available resources and the species present
300
How much energy is lost to heat.
90% of energy is lost to heat.
400
What is a tertiary consumer?
An organism that feeds on secondary consumers.
400
Draw 1 example of simple food chain.
Grass-ant-anteater-puma
400
What is a top predator in a food web?
The organism at the highest trophic level, with no natural predators.
400
what is a qaunitary consumer.
an organism at the very top of a food chain hunting the tertiary.
500
What are trophic levels?
The different levels of organisms in a food chain or food web.
500
Draw 1 example of food web
500
How does deforestation impact food webs in tropical rainforests?
It destroys habitats and disrupts the flow of energy between trophic levels
500
How many levels are on the energy pyrmad.
There is 5 trophic levels to the energy prymad.