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Food Chains And Food Webs
Test Description: Producers, consumers, decomposers
Instructions: Answer all questions to get your test result.
1) What do producers need to make their own food?
A
heat, carbon dioxide, oxygen
B
sunlight, oxygen, water
C
sunlight, carbon dioxide, water
D
heat, carbon dioxide, water
2) How do consumers get their food?
A
from other organisms
B
they can make their own food OR get it from other organisms
C
they can make their own food
D
they use sunlight and carbon dioxide for food
3) Which organism is a producer?
A
hawk
B
squirrel
C
deer
D
grasses
4) If bears eat fish for their main source of energy, what would most likely happen to the bear population if the fish population doubled?
A
the bears would move to different ponds
B
the bear population would decrease
C
the bear population would increase
D
the bears would have more babies
5) Which is an example of an organism interacting with nonliving elements in its environment?
A
a lizard eating a mealworm
B
a deer eating grass
C
a frog hiding in leaves
D
a fish swimming through the water
6) Where does most of a plant's energy come from?
A
water
B
animals
C
sunlight
D
air
7) Which shows an example of an organism interacting with both, living and nonliving elements of its ecosystem?
A
hiding behind a rock and using heat from the sun to stay warm
B
hunting food to eat and hiding in the leaves of a tree
C
hopping over a rock and digging in the dirt
D
eating grass in a field and drinking water from a pond
8) Which of the following is NOT needed for a producer to make its own food?
A
sunlight
B
carbon dioxide
C
oxygen
D
water
9) If an owl eats mice and the population of the owl doubles, what is most likely to happen to the population of the mice?
A
it will decrease
B
it will increase
C
it will become overpopulated
D
it will move to a different ecosystem
10) What is most likely to happen to the plants in a rain forest during a severe drought?
A
The plants will quickly adapt
B
The plants will grow taller
C
The plants will sprout new leaves
D
The plants will wilt and may die
11) What is a carnivore?
A
eats both plants and animals
B
a plant eater
C
a meat eater (eats other animals)
D
a rabbit
12) What is an omnivore
A
a lion
B
a plant eater
C
eats both, plants and animals
D
a meat eater (eats other animals)
13) What is a herbivore?
A
a plant eater
B
a meat eater (eats other animals)
C
eats both, plants and animals
D
a tiger
14) What do the arrows in a food chain represent?
A
energy being lost
B
the movement of the organisms
C
the direction of the flow of energy
D
points toward what an organism is eating
15) A plant with shallow roots, leaves with a waxy coating, and roots that release nutrients into the soil belong to which type of environment?
A
forest
B
desert
C
swamp
D
arctic
16) Which animals would most likely NOT live in the tundra, where it is very cold and has little rain?
A
arctic fox
B
snowy owl
C
alligator
D
polar bear
17) When an invasive species enters an ecosystem and feeds on the same plants the existing organisms eat, what would most likely happen to that ecosystem?
A
they would overgraze the land
B
predators of native animals would move to new locations
C
there would be an increase in the availability of food
D
population of the plants would increase
18) Does the sun still provide energy to plants, even if they are under water?
A
no
B
yes
19) Which is a decomposer?
A
mushroom
B
bird
C
caterpillar
D
parsley
20) Which is a producer?
A
caterpillar
B
parsley
C
mushroom
D
bird
*select an answer for all questions
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