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WorksheetsEnergy and Matter in Ecosystems PRACTICE
Total questions: 20
Worksheet time: 2hrs 40mins
The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?
X : Photosynthesis, Y : Respiration
X : Decomposition, Y : Respiration
X : Fermentation, Y : Transpiration
X : Nitrogen Fixation, Y : Respiration
Which is NOT a consumer?
mushroom
bird
carnivore
omnivore
What does an energy pyramid show?
Energy flow in a community
The number of species in an ecosystem
The distribution of biomass in a habitat
The types of organisms in a food chain
In the energy pyramid, what comes after the producers?
First-Level Consumers
Secondary Consumers
Tertiary Consumers
Decomposers
What is this called?
Food Web
Food Chain
Abiotic Factors
Ecosystem Dynamics
What is the water cycle?
the movement of water on, above, or below the surface of the Earth
the process of water freezing into ice
the evaporation of water from plants
the collection of water in rivers and lakes
Which organism receives the least amount of energy from the producer?
Owl
Grasshopper
Lilypad
Mouse
Which are decomposers?
humans
trees
red wolves
worms
In this Food Web Pyramid, which type of consumer gets only 10% of the energy stored in plants?
Herbivore
Carnivore
Omnivore
Secondary Consumer
A consumer gets energy by
feeding on other organisms.
producing its own food through photosynthesis.
absorbing nutrients from the soil.
breaking down dead organic matter.
What type of organism makes its own food?
consumer
carnivore
producer
animal
In the food web above, what eats the rabbit?
Fox
Wolf
Eagle
Snake
What is this called?
Food Web
Food Chain
Abiotic Factors
Ecosystem Dynamics
Which of the following is an example of a food producer?
Human
Grizzly Bear
Orca
Oak Tree
What role do decomposers play in an ecosystem?
Produce food
recycle matter
provide oxygen
supply water
In the food web above, what organism is missing from this food chain: Grass --> Slug --> ________ --> Hawk?
Thrush
Sparrow
Frog
Mouse
All of the following are types of consumers EXCEPT for: carnivore, herbivore, omnivore, producer
carnivore
herbivore
omnivore
producer
The shrew provides energy for the _______?
snake
hawk
fox
eagle
What does a Secondary Consumer eat?
Tertiary Consumers
Primary Consumers
Producers
Secondary Consumers
What is an ecosystem?
all living and nonliving things that interact in an area
a group of similar organisms that can breed together
the physical environment where organisms live
the process of energy flow through food chains
