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WorksheetsEnergy Flow in Living Systems
Total questions: 15
Worksheet time: 19mins
Name
Class
Date
1.
A food web from a forest ecosystem is shown. Which of the following organisms would have the greatest impact on the food web if it were removed?
a)
oak tree
b)
hawk
c)
chipmunk
d)
rabbit
2.
Food provides animals with the materials and energy they need for growth, warmth, and motion. Plants get material for growth mostly from air and water, and obtain energy from sunlight.
Producers provide food to consumers because-
Producers provide food to consumers because-
a)
plants are more abundant in ecosystems
b)
animals cannot produce their own food
c)
plants can easily make food from soil and water
d)
many animals prefer eating plants to eating meat
3.
The trees in a deciduous forest environment are both tall and short. The environment where the trees grow is hit by a severe drought, killing most of the tall trees. The following year, there is a normal amount of rain.
Which of the following will most likely occur?
Which of the following will most likely occur?
a)
The smaller trees will increase in height.
b)
The rain reaching the smaller trees decreases.
c)
The smaller trees will perish.
d)
The sunlight reaching the smaller tress decreases.
4.
The chart lists some of the organisms found in the Tundra ecosystem. Which food chain correctly identifies the flow of energy?
a)
berries-arctic fox- ringed seal- salmon
b)
polar bear- caribou- grasses- sun
c)
wolf- arctic hare- berries
d)
lichen-lemming-arctic fox- polar bear
5.
If the habitat of the Houston Toad ceased to exist, how would this most likely affect the food web shown?
a)
There would be a decrease in the number of wildflowers.
b)
There would be an increase in the number of insects.
c)
There would be a decrease in the number of armadillos.
d)
There would be an increase in the number of opossums.
6.
A food web diagram is actually a model. It is a representation of what may occur in nature. Which choice below is NOT a limitation of this model?
a)
It underestimates the complexity of the interaction among these species.
b)
It may contain some inaccurate information about the interactions among these species.
c)
It contains organisms typically found in a particular ecosystem.
d)
The original source of energy for the web is not included.
7.
Which foot has adaptations for surviving in a water environment?
a)
Foot A
b)
Foot B
c)
Foot C
d)
Foot D
8.
Which of the following adaptations does not help animals survive in a cold environment?
a)
gathering and storing food
b)
hibernating
c)
growing thick fur
d)
climbing a tree
9.
There is often snow on the ground in the Arctic. Many Arctic animals are able to change their coloration. Which adaptation best helps an Arctic hare survive in its environment?
a)
A short, fluffy tail
b)
Thick, white fur
c)
Ability to run fast
d)
Ability to burrow
10.
Students notice a lot of dandelions in different areas all over the track and playground. Which adaptation helps dandelions spread to many locations around school grounds?
a)
strong thick roots
b)
light fluffy seeds
c)
bright yellow flowers
d)
green stems on each plant
11.
Which bird's foot had the best shape for grasping and holding its prey?
a)
Option A
b)
Option B
c)
Option C
d)
Option D
12.
Which of these is the correct order of the stages of metamorphosis?
a)
egg, larva, pupa, adult
b)
adult, pupa, larva, egg
c)
egg, pupa, larva, adult
d)
adult, egg, pupa, larva
13.
Select the correct statement about the pictures shown.
a)
Bird A is best suited for using its beak to crack open hard seeds and cut off pieces of fruit.
b)
Bird B is best suited for using its beak to crack open hard seeds and cut off pieces of fruit.
c)
Bird C is best suited for using its beak to crack open hard seeds and cut off pieces of fruit.
d)
Bird D is best suited for using its beak to crack open hard seeds and cut off pieces of fruit.
14.
a)
Illustration F shows the correct sequence of stages in a beetle's life cycle.
b)
Illustration G shows the correct sequence of stages in a beetle's life cycle.
c)
Illustration H shows the correct sequence of stages in a beetle's life cycle.
d)
Illustration J shows the correct sequence of stages in a beetle's life cycle.
15.
a)
Insect A spends the longest time in the transforming stage of its life cycle.
b)
Insect B spends the longest time in the transforming stage of its life cycle.
c)
Insect C spends the longest time in the transforming stage of its life cycle.
d)
Insect D spends the longest time in the transforming stage of its life cycle.
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