Food Chains
•
•
Keeping track of “who eats who” in an ecosystem helps us understand how organisms
are connected
Food chains – ______________________________________________
___________________________________________________________
•
___________________________________________________________
NOTE: the
show that the organism goes “
one that it points towards… (
)
” the mouth of the
Organisms that can perform photosynthesis (make their own
food) are called ____________
– Examples: _________________________
Organisms that cannot perform photosynthesis are called
__________________
• Consumers rely on producers for energy
• Examples: ______________________________
-
Energy made by the producer (grass) is _________________________ and ends up in
the consumers (water buffalo and lion)
Energy is also used by each organism in the food chain, _________________________
______________________________________________________________________
Trophic level – ___________________________________________________
First trophic level Second trophic level Third trophic level
Fourth trophic level
Food Webs
Food web – ___________________________________
_____________________________________________
_____________________________________________
_____________________________________________
Changing one impacts the others!
• What would happen if the tuna population suddenly
disappeared?
–
_________________________________________________________________
–
_________________________________________________________________
–
_________________________________________________________________
Practice
o List the Producers
o List the 1 Consumers
o List the 2 Consumers
o List the 3 Consumers
o List 3 Food Chains