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Worksheets(R) 5.9B Science STAAR (Food Chains & Food Webs)
Total questions: 13
Worksheet time: 1hrs 5mins
This food web represents organisms in a field. What role do raccoons play in this food web? (5.9B)
Prey
Producer
Decomposer
Consumer
The diets of several types of prairie animals are described in the table. Which of the following prairie food chains is in the correct order? (5.9B)
Which table shows the correct role of each organism in the food chain below? (5.9B)
In a food chain, energy does NOT flow directly from-- (5.9B)
producer to decomposer
producer to consumer
consumer to decomposer
consumer to producer
The food web shown is made up of organisms that live in a forest. Which change would most likely occur if all the producers in this ecosystem were removed? (5.9B)
The mice would become the new producers.
All the animals would either die or move away.
The number of mice would increase.
All the animal populations would increase.
A freshwater ecosystem has various food webs. One of these food webs is shown here. Which organisms transfer the most energy within the food web? (5.9B)
Bass, because they are predators in this web
Copepods, because they support two chains in this web
Crayfish, because they are at the bottom of this web
Algae, because they are the producers in this web
A food web for some organisms in an African rain forest is shown below. Which organisms in this food web eat only consumers? (5.9B)
Okapis
Civets
Leopards
Gorillas
A partial food web of a pond ecosystem is shown. Which type of organism is missing from this food web? (5.9B)
Decomposers
Producers
Predators
Consumers
A partial forest food web is shown. In this food web, energy is transferred directly between--- (5.9B)
conifer seeds and red crossbills
conifer leaves and northern goshawks
blue grouse and wolves
elk and sharp-shinned hawks
Many desert animals depend on the prickly pear cactus. What role does the prickly pear cactus play in a desert food web? (5.9B)
It obtains energy from producers.
It returns nutrients to the soil.
It preys upon other organisms.
It provides energy to consumers.
Big Bend National Park is located in the part of the Chihuahuan Desert that is in southwestern Texas. The table lists some of the types of animals that live in Big Bend and what they eat. Based on the information in the table, which of the following food chains shows one way energy flows in the Big Bend ecosystem? (5.9B)
A partial wetland food web is shown. Which statement correctly describes the transfer of energy in a food chain in this wetland? (5.9B)
Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.
Energy is transferred from marsh grasses to crickets to hawks to frogs.
Energy is transferred from grasshoppers to crickets to frogs to hawks.
Energy is transferred from cattails to crickets to shrews to hawks.
A partial food web from the Texas Piney Woods is shown. How many types of organisms in this food web obtain energy directly from producers? (5.9B)
Two
Three
Four
Five
