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WorksheetsBiome/Ecosystems
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Which of these is produced during photosynthesis?
a)
amino acid
b)
glucose
c)
glycerol
d)
carbon dioxide
2.
As members of a food web, humans are considered to be
a)
producers
b)
consumers
c)
decomposes
d)
scavengers
3.
Which of the animals from this food web is a herbivore?
a)
rabbit
b)
snake
c)
eagle
d)
roadrunner
4.
Which diagram correctly shows the flow of energy in a food chain?
a)
decomposer-> consumer-> producer
b)
Producer-> consumer->Decomposer
c)
Consumer->Producer->Decomposer
d)
Producer->Decomposer->Consumer
5.
What do plants take from the air that helps them make food?
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
hydrogen peroxide
6.
Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?
a)
light levels
b)
moon phases
c)
seasonal temperatures
d)
carbon dioxide levels
7.
Which external stimulus causes a plant to bend toward it?
a)
a light source
b)
a magnetic field
c)
a spray of water
d)
a source of wind
8.
How do the sprouts of seeds buried in complete dark in the soil find their way to the surface of the soil?
a)
They grow toward light
b)
They grow toward surface warmth
c)
They grow opposite the direction of the bedrock
d)
They grow opposite the direction of the pull of gravity
9.
Which environmental stimulus causes leaves on certain trees to change color in autumn?
a)
loss of nutrients in the forest soil
b)
lower air humidity in the forest
c)
changes to amount of light
d)
competition for survival
10.
In which direction do the roots of plants grow?
a)
in the direction of moisture only
b)
in the direction of the pull of gravity only
c)
in the direction of water and the pull of gravity
d)
in the direction of water and away from the pull of gravity
11.
Which abiotic factor is the basis for this ecosystem?
a)
insects
b)
frogs
c)
water
d)
wind
12.
A student uses a pH meter to measure the acidity of a water sample from a lake. For what purpose is the student most likely testing the water?
a)
to learn what organisms could survive in the lake
b)
to determine the age of the lake
c)
to understand how people use the lake
d)
to find out the depth of the lake
13.
Pond ecosystems depend on the water cycle to ensure the survival of the animals that live in or near the pond. If a drought reduces the water level, which population of animals would be most affected?
a)
duck
b)
fish
c)
mouse
d)
snake
14.
A species of mouse spends the day sleeping in its burrow to avoid high daytime temperatures. It is processing what little water it needs from the seeds it collects. To which environment is this mouse best adapted?
a)
rainforest
b)
marine waters
c)
desert
d)
tundra
15.
Which of these correctly identifies the way materials are transported in a plant?
a)
xylem carries water from the roots to the leaves
b)
Phloem carries mineral from the roots to the leaves
c)
Xylem carries sugars from the flowers to the stems.
d)
Phloem carries water from the flowers to the stems.
16.
Cockleburs are plants that produce seeds with hook-like adaptations called spines. Cocklebur offspring need to sprout away from the parent plant to get enough nutrients to survive. Spines most likely help the coklebur plant reproduce by helping each seed to be
a)
resistant to water
b)
buried underground
c)
carried by the wind
d)
attached to animal fur
17.
Which is a major difference between the life cycles of different types of plants?
a)
the way they die
b)
the energy they use
c)
the way they reproduce
d)
the way they make food
18.
In multi-cellular organisms, different structures have different functions. Which function is carried out in the leaves of a plant?
a)
absorbing food
b)
producing flowers
c)
absorbing light
d)
makeing seeds
19.
Jefferson's class was studying sunflowers. They learned that sunflowers are able to make their own food. Which parts of a sunflower collect most of the sunlight needed to make food?
a)
flowers
b)
leaves
c)
seeds
d)
roots
20.
Carbon dioxide is removed from Earth's atmosphere due to
a)
respiration of animals.
b)
decay of animal matter.
c)
plant photosynthesis.
d)
burning of fossil fuels
21.
In photosynthesis, plants use chlorophyll to produce
a)
sugar
b)
water
c)
energy
d)
carbon dioxide
22.
The students in Mr. Turner’s class observed bubbles coming out of the stem. What are the bubbles being released by the plant?
a)
carbon dioxide
b)
helium
c)
hydrogen
d)
oxygen
23.
People take in and release gases from the air when they breathe. Which exhaled gas is a waste product of respiration?
a)
oxygen
b)
helium
c)
hydrogen
d)
carbon dioxide
24.
Which action would increase the amount of oxygen in a fish tank?
a)
adding more fish
b)
adding more plants
c)
placing food in the tank
d)
placing a water heater in the tank
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