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Worksheets2023 Environmental STAAR
Total questions: 20
Worksheet time: 11mins
A partial Food web is shown.
What role to bobcats play in a forest food web?
Bobcats break down dead plants and animals and return nutrients to the soil
Bobcats are consumers of marmots and grouses
Bobcats produce their own energy
Bobcats are predators of grasses and berries
A wetland food chain is shown below.
Which table shows the correct role of each organism?
A partial food web is shown.
Which type of organism is missing from this food web?
Decomposer
Predator
Consumer
Producer
A partial rain forest food web is shown. How many types of organisms in this food web obtain energy directly from producers?
One
Two
Three
Four
A partial forest food web is shown. What role do turkeys play in this food web?
Decomposer
Predator
Consumer
Producer
A partial hedgerow food web is shown. Which table shows the correct role of organisms in the food web?
A partial swamp food web is shown. In this food web, energy is transferred directly between-
mosquitos and mudskippers
kingfishers and mangrove crabs
prawn and mosquito larvae
kingfishers and mangrove trees
A partial tundra food web is shown. Based on the information in the food web, which of the following food chains shows one way energy flows in this ecosystem?
Lichen > Arctic hare > muskox
Arctic wolf > muskox > lichen
Lichen > Lemming > Arctic hare Arctic fox
Lichen > Lemming > Ermine > Arctic fox
A partial forest food web is shown. Which statement correctly describes the transfer of energy in a food chain in this ecosystem?
Energy is transferred from berries to bears to elk
Energy is transferred from grasses to marmots to bobcats
Energy is transferred from bobcats to grouses to grasses
Energy is transferred from grasses to elk to grouses
The table lists some of the types of animals that live in an ecosystem and what they eat. Based on the information in the table, which of the following food chains shows one way energy flows in this ecosystem?
Leaves > caterpillars > raccoons > vultures
Leaves > slugs > caterpillars
Owls > raccoons > Berries
Leaves > slugs > owls
A partial food web is shown. Which organisms in this food web eat only producers?
Fruit bats and bandicoots only
Insects and fruit bats only
Rufous owls, bandicoots, and pythons only
Insects only
A partial rainforest food web is shown. Which organisms in this food web eat only consumers?
Spider monkey and butterfly only
Spider, poison dart frog, and butterfly only
Jaguar, carcara, spider and poison dart frog only
Poison dart frog and jaguar only
The diets of some forest animals are described in the table. Which of the following food chains is in the correct order?
Leaves > deer > owl
Raccoons > slug > berries
Owl > opossum > Raccoon
Leaves > caterpillar > opossum > owl
The table describes the energy sources for four unidentified organisms. Which statement correctly identifies the roles of the organisms?
Organisms 1 & 3 are consumers
Organisms 3 & 4 are producers
Organisms 1 & 2 are decomposers
Organisms 2 & 3 are producers
The table describes the energy sources for four unknown organisms. Which table correctly identifies the roles of the organisms?
A partial forest food web is shown. Which organism in this food web eat only consumers?
Squirrels, turkeys, and caterpillars only
Squirrels, turkeys, caterpillars, and skunks only
Hawks, bobcats, and owls only
Bobcats only
The diets of some forest animals are described in the table. How many types of animals in this food web obtain energy directly from at least one producer?
One
Two
Three
Four
A partial food web of organisms who live in and around the Amazon River is shown. Which change would most likely occur if all the producers in this ecosystem were removed?
The populations of consumers would increase
The producers would move to a new location
The populations of consumers would decrease
Pacus would become producers
A partial food web of organisms who live in and around the Amazon River is shown. Which statement describes the transfer of energy in a food chain in this ecosystem?
Anacondas > pacus > water plants
Water plants > capybaras > caimans
Water plants > pacus > capybaras
Caimans > anacondas > capybaras > water plants
Which organisms do not directly consume another organism for energy?
Ravens and quails
Cacti and seeds
Kangaroo rats and crickets
Gila monsters and desert tortoises
