Defination
Examples
Concepts
Other
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 are some factors that can affect food chains and food webs?
Climate, habitat destruction, and human activities.
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
Why is it important to study food chains and food webs?
To understand the delicate balance in ecosystems and the importance of biodiversity.
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
Draw a simple ecological pyramid
400
What is a tertiary consumer?
An organism that feeds on secondary consumers.
400
Draw 1 example of simple food chain.
Grass- goat- tiger- worms- grass
400
What is a top predator in a food web?
The organism at the highest trophic level, with no natural predators.
400
How do food chains and food webs help balance populations in an ecosystem?
They regulate the abundance of different species.
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
Why are apex predators crucial for ecosystem stability?
They regulate the populations of other species, preventing overpopulation.