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WorksheetsLS-6.1 mid-unit review
Total questions: 34
Worksheet time: 48mins
What is the primary source of energy in most ecosystems?
Water
Soil
Sun
Oxygen
What process do producers use to make their food using energy from the sun?
Respiration
Photosynthesis
Decomposition
Fermentation
Which of the following are typically considered producers?
Animals
Fungi
Plants and bacteria
Insects
What do primary consumers, such as herbivores, eat?
Other herbivores
Producers
Decomposers
Tertiary consumers
What is the role of decomposers in an ecosystem?
Produce energy from the sun
Eat primary consumers
Eat the remains of once-living organisms
Compete with producers for sunlight
What must consumers do to obtain energy?
Make their own food
Absorb sunlight
Eat other organisms
Use water directly
What determines the amount of energy different organisms need?
The color of their skin
Their size, growth, and level of activity
The amount of sunlight they receive
The type of soil they live in
What does a food web show?
The amount of sunlight in an ecosystem
The water cycle
Many different feeding relationships among living things
The growth rate of plants
Which of the following is a secondary consumer?
Herbivore
Producer
Anything that eats primary consumers
Decomposer
The chemical formula for glucose produced in photosynthesis is (a)
What is released as a byproduct of photosynthesis?
Carbon dioxide
Water
Oxygen
Nitrogen
What do tertiary consumers eat?
Producers
Primary consumers
Secondary consumers
Decomposers
Which of the following is NOT a part of the photosynthesis equation?
Carbon dioxide
Water
Glucose
Nitrogen
What is the role of producers in an ecosystem?
Decompose organic matter
Provide energy for consumers
Compete with consumers for food
Absorb oxygen from the air
Which of the following is a characteristic of a food web?
Shows only one feeding relationship
Includes only producers
Shows many different feeding relationships
Excludes decomposers
The main function of photosynthesis is to (a) .
Which organisms are at the base of the food web?
Tertiary consumers
Secondary consumers
Primary producers
Decomposers
What happens to energy as it moves through a food web?
It increases
It decreases
It remains constant
It disappears
What is the role of herbivores in an ecosystem?
Decompose organic matter
Produce energy from sunlight
Consume producers
Eat secondary consumers
Which of the following is a characteristic of decomposers?
They produce their own food
They consume only plants
They break down dead organisms
They are primary consumers
In the energy pyramid, the organism with the least amount of energy available is the (a) .
What do plants make during photosynthesis?
Sugar
Oxygen
Water
CO2
The molecule (a) , a sugar/carbohydrate and (b) gas is produced when plants, algae, and cyanobacteria photosyntesize.
Complete the equation for photosynthesis: (a) + water --> (b) + oxygen
Match the following terms with the correct definition
Predator
Hunts for their food
Prey
Is the one being hunted
Herbivore
Eats mainly plants
Carnivore
Eats mainly other animals
Omnivore
Eats plants and animals
Match the following:
decomposer
an organism that breaks down dead plant or animal material
carnivore
an organism that eat meat
omnivore
an organism that eats plants and animals
producer
an organism that makes its own food
Label this food chain
Mark all the organisms that are considered producers
Circle every secondary consumer in red
All the energy in the ecosystem comes from (a) .
What is the primary function of primary consumers in a food web?
To compete with decomposers
To decompose organic matter
To produce energy from sunlight
To consume producers
Which of the following processes is essential for the survival of producers?
Respiration
Decomposition
Photosynthesis
Fermentation
How do secondary consumers obtain their energy?
By absorbing sunlight
By decomposing organic matter
By consuming primary consumers
By eating producers
