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WorksheetsEcosystem Test Review
Total questions: 40
Worksheet time: 21mins
A ______________________ is a linear sequence that shows how energy is passed from one living thing to another in the ecosystem.
Food Web
Food Chain
Trophic Level
Food Web
A bear feeds on both berries and insects. What term best describes this type of consumer?
Herbivore
Carnivore
Omnivore
Detritivore
In the food chain Algae --> Small Fish--> Large Fish --> Osprey, what role does the Osprey occupy?
Producer
Primary consumer
Secondary Consumer
Tertiary consumer
Consider the food chain: Grass --> Grasshopper --> Mouse --> Snake --> Hawk. Which organism eats the primary consumer?
Grasshopper
Mouse
Snake
Hawk
Which organism in a food chain typically has the highest energy available within an ecosystem.
Primary consumer
Secondary consumer
Producer
Tertiary consumer
What percentage of energy is transferred from one trophic level to the next?
10%
100%
.1%
1%
What organisms break down the remains of dead organic matter?
Heterotrophs
Consumers
Decomposers
Producers
True or False: Another word for producers are heterotroph?
True
False
A biological community where living things interact with one another and with their environment is called an:
Biosphere
Community
Ecosystem
Pond
Many individuals of the same species living together in a defined area form a
Community
Population
Genus
Ecosystem
Which of the following provides the best example of an ecological community?
A colony of termites
A flock of migrating birds
Flies on a piece of rotting meat
The organisms in a freshwater pond
A consumer that eats animal and plant material is called
Omnivore
Carnivore
Producer
herbivore
Each step in a food chain or food web is called a
trophic level
Food chain
Energy pyramid
Which of the following term is defined as the total mass of organisms within a trophic level?
Habitat
Producers
Biomass
Niche
Secondary consumers eats ________________.
producers
primary consumers
secondary consumers
tertiary consumers
A food chain from the food web above is: Green plant ---> Rabbit --> Wildcat --> Lion The lion obtained 4000 kJ of energy after preying upon the wildcat. How many joules of energy did the green plant originally consist of?
4000000 kJ
40000 kJ
400 kJ
40 kJ
A food chain from the food web above is: Green plant --> Rabbit --> Wildcat --> Lion The green plant has 4000000 joules of energy How many joules of energy did the rabbit have after consuming the green plant
4000000 kJ
400000 kJ
400 kJ
40 kJ
Which of the following two organisms are producers?
Plant and phytoplankton
Plants and consumers
Consumers and phytoplankton
Phytoplankton and chlorophyll
Look at the food chain. How do foxes get energy?
from eating rabbits
from eating grass
from the sun
from eating other foxes
The movement of carbon between the atmosphere, land, and oceans is known as what?
carbon dating
carbon cycle
carbonization
Which of the following processes removes CO2 from the atmosphere?
photosynthesis
burning fossil fuels
cellular respiration
. Organisms return carbon to the atmosphere through which process?
condensation
photosynthesis
cellular respiration
. What is the term for burning fossil fuels and releasing carbon dioxide into the atmosphere?
synthesis
combustion
expulsion
Which of the following best describes a carbon reservoir?
carbon storage
carbon destroyer
carbon consumer
Which of the following is the largest carbon reservoir?
atmosphere
plants and animals
the ocean
Which of the following is a consequence of deforestation?
more CO2 is released into the atmosphere
less CO2 is released into the atmosphere
decreased soil erosion
Which of the following does NOT increase the amount of CO2 in the atmosphere?
burning coal
trees
volcanic eruption
Which of the following is NOT a part of the carbon cycle?
evaporation
cellular respiration
photosynthesis
Which process in the water cycle involves water vapor cooling and changing back into liquid droplets?
Evaporation
Condensation
Precipitation
Infiltration
What is the primary source of energy that drives the water cycle?
Wind
Gravity
The Sun
Oceans
Which process occurs when plants release water vapor into the air through their leaves?
Sublimation
Transpiration
Infiltration
Runoff
What is the term for water flowing over the surface of the land and eventually into rivers, lakes, or oceans?
Groundwater
Transpiration
Runoff
Condensation
What do the prefixes "bio" and "geo" mean in the word "biogeochemical"?
Bio means "life," and geo means "earth."
Bio means "water," and geo means "air."
Bio means "plant," and geo means "soil."
Bio means "animal," and geo means "energy."
Animals get their nitrogen by eating what?
Drinking Water
plants or animals
Just Plants
They don't get nitrogen from eating only breathing
This type of bacteria releases nitrogen from waste or dead cells back into the air. What is it called?
Nitrogen-fixing bacteria
Nitrifying bacteria
Denitrifying bacteria
Decomposing bacteria
Click on the image to make it larger--The rabbit gets energy from the ....
hawk
mouse
wildflowers
grass
The following are all forms of what?
Precipitation
Transportation
Transpiration
Evaporation
True or False? Animals can uptake nitrogen directly from the air?
True
False
