Food Chains and Webs Flashcards
What is a food chain?
What animal eats what animal in an ecosystem. One direction
What is a food web?
A food web is multiple food chains put together. More complex.
How much energy do animals get from their food.
Animals only get 10% energy from the food they eat. 90% is lost to the heat.
Producer?
Organisms that make their own food (autotrophs)
Consumer?
Needs other plant/animal for energy. (heterotroph)
What are the levels of consumers?
primary, secondary, tertiary OR first order, second order, third order
What does the arrow show in food webs and chains?
Flow of energy
Autotroph
Able to photosynthesise by itself. (Producers)
Heterotroph
Not able to do photosynthesis. Need other plant or animal for energy. (Consumer)