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WorksheetsEcosystem Review
Total questions: 35
Worksheet time: 26mins
What are the nonliving parts of the ecosystem such as water, dirt, and air called?
abiotic factors
biomes
biotic factors
ecological factors
Place the categories in order from smallest to largest.
biosphere, ecosystem, community, population, organism
organism, population, community, ecosystem, biosphere
biosphere, population, ecosystem, community, organism
organism, community, ecosystem, population, biosphere
Which of the following is a biotic factor?
fish
pond
lake
ocean
Which of the following nonliving things affects climate and temperature?
the Sun
the Moon
rain
wind
Which of the following is NOT a part of climate?
temperature
moisture
soil
wind
Which of the following is NOT part of the water cycle?
evaporation
nitrogen fixation
condensation
precipitation
Which of these is the name for the release of water vapor from leaves and stems of plants?
evaporation
condensation
precipitation
transpiration
Which of the following would eat a dead rabbit?
carnivore
decomposer (detritivore)
herbivore
ominivore
Which of the following would eat a hamburger with lettuce on it?
carnivore
decomposer (detritivore)
herbivore
omnivore
Which of the following would eat eucalyptus leaves?
carnivore
decomposer (detritivore)
herbivore
omnivore
Photosynthesis uses all of the following except _______ to make food.
carbon dioxide
chemical energy
light energy
water
Which is the most likely the first step in a basic food chain?
The snake obtains energy by eating the mouse.
Plants make energy-rich food using sunlight.
The Sun emits energy.
The hawk obtains energy by eating the snake.
What is one reason that a food web might be a better description of an ecosystem than a food chain?
Animals have only one option of what to eat.
At least one animal in the web has webbed feet.
No animals are chained.
Organisms have a choice of what to eat.
This is the name for snow and rain.
condensation
evaporation
precipitation
As the sun warms the Earth, it turns water on the Earth into water vapor that rises into the air. This is called __________.
condensation
evaporation
precipitation
As the water vapor rises, it meets cooler air that changes it back to water drops, which form clouds. This is called _______.
condensation
evaporation
precipitation
The water that the dinosaurs drank _______.
is still in the water cycle
is gone
was not the same kind of water that we drink today
was salt water
If we use too much water, we could use up all of the water on Earth.
true
false
After rain falls on the Earth, it may _______.
evaporate again very soon
travel downhill until it reaches the ocean
stay underground for years
all of the above
The way food passes from one organism to another organism in a community is a __________.
energy pyramid
predator
producer
food chain
Which list shows a possible order in which energy moves through an ecosystem?
herbivore, carnivore, Sun, producer, decomposer
Sun, producer, herbivore, carnivore, decomposer
Sun, producer, predator, consumer, decomposer producer
Sun, carnivore, herbivore, decomposer
In an ecosystem, how are food webs and food chains different?
Food webs begin with animals, and food chains begin with plants.
Food webs rarely begin with plants, and food chains begin with animals.
Food webs show the relationship between many different food chains in a single ecosystem.
Food chains show the relationship between many different food webs in a single ecosystem.
Plants are necessary for life on Earth.
true
false
An environment's biotic and abiotic factors interact to make a(n) _________.
habitat
ecosystem
niche
resource
What do plants give off after photosynthesis?
oxygen
carbon dioxide
nitrogen
hydrogen
What molecule absorbs sunlight during photosynthesis?
epidermis
thylakoid
the leaf
chlorophyll
In what part of the cell does photosynthesis occur?
nucleus
chloroplast
epidermis
vacuole
After photosynthesis, plants store their energy as _________ .
chlorophyll
pigment
glucose (sugar)
oxygen
Because plants carry out photosynthesis, they are considered _____.
heterotrophs
autotrophs
consumer
unicellular
Which is the correct formula for photosynthesis?
CO2 + H2O --> (in sunlight) C6H12O6 + O2
sunlight + CO2 + H2O --> C6H12O6 + O2
C6H12O6 + O2 --> (in sunlight) CO2 + H2O
CO2 + H2O --> C6H12O6 + O2 + sunlight
How does most of the water needed by the plant get into its leaves?
It enters through the stomata
The roots absorb it and then it travels up the xylem
It's made during a chemical reaction in the stem
The flowers capture water and deliver it to the leaves
How does carbon dioxide get into the leaves of a plant?
It's absorbed by the roots
It's made in a chemical reaction in the stem
It enters through the stomata
It goes through the flowers
What process must cells undergo to convert the energy stored in glucose (C6H12O6) into useable cell energy (ATP)?
Photosynthesis
Cellular respiration
Ketosis
The macarena
What do cells need to perform the process of cellular respiration?
Sunlight, water (H2O) + carbon dioxide (CO2)
Proteins, lipids, carbohydrates, and nucleic acids
Lactose (C12H22O11) + soil
Glucose (C6H12O6) + Oxygen (O2)
Where in the cell does cellular respiration take place?
The chloroplasts
The golgi apparatus
The mitochondria
The cell wall
