Name ___________________________
4. Plants produce their own food through
photosynthesis. Which of the these choices lists the
three main ingredients needed for photosynthesis?
A.
B.
C.
D.
Water, electricity, and oxygen
water, carbon dioxide and sunlight
water, sugar and sunlight
oxygen, carbon dioxide and hydrogen
5. What of the following is the BEST definition of a food
chain?
1. In the food web shown above, what is the
original source of the energy?
A.
B.
C.
D.
the owl
the tree
the sun
the grasshopper
2. In the food web shown above, all of the
following are consumers except:
A. grasshopper
B. fox
C. grass
D. hawk
A. The pathway of food energy transfer from one
organism to another.
B. A series of links from one type of organism to another.
C. The transfer of energy across conducting organisms.
D. Connections in the environment caused by food.
6. Which term is used to show overlapping or interacting
food chains?
A. food weave
B. food group
C. food web
D. consumer group
7. What is a producer?
3. Look at the food web above. If pesticides
were to kill the whole grasshopper population
in the area, what is the first thing you would
expect to happen?
A.
B.
C.
D.
The hawk population would decrease.
The mouse population would decrease.
The fox population would increase.
The deer population would increase.
A.
B.
C.
D.
an organism that eats plants.
an organism that makes its own food.
an organism that makes movies or puts on plays
an organism at the top of the food chain
Organism
Bear
Berry Bush
Deer
Fungi
Owl
Raccoon
Snake
Worm
Role in Food Chain (niche)
consumer
producer
consumer
decomposer
consumer
consumer
consumer
?
Type of Consumer
omnivore
Not applicable
herbivore
omnivore
carnivore
omnivore
carnivore
?
8. A student was organizing a group of study cards labeled with names of different organisms in a forest ecosystem. He
placed them in alphabetical order and then made more cards to identify their role in the food chain as well as the type
of food they consumed for energy. Which two cards should he make for the worm?
A.
B.
C.
D.
producer and herbivore
consumer and carnivore
invertebrate and carnivore
decomposer and omnivore
9. The diagram above shows many food chains that interact with each other. How many food chains directly involve
algae?
A.
B.
C.
D.
one
two
all of them
none of them
10. Decomposers like these mushrooms would get their energy from-
A.
B.
C.
D.
The sun, through photosynthesis
eating fruit and seeds
breaking down dead plants and animals
carbon dioxide in the air