Food Webs and Energy Flow
Grade 5 - Science - Challenge Me

NameDate
In a meadow food web, which organism is the producer?
- grass
- kelp
- oak tree
- algae
Which energy path fits the garden food web?
- earthworm -> Sun -> lady beetle
- Sun -> tomato plant -> aphid -> lady beetle
- lady beetle -> aphid -> tomato plant -> Sun
- aphid -> tomato plant -> lady beetle
What role do decomposers such as bacteria have in the pond ecosystem?
- turn consumers into rocks
- make sunlight for producers
- breaks down dead matter and returns materials to the system
- hunt all predators
If snails decrease in the pond, what is a likely effect?
- lizards may have less food if grasshoppers decrease
- bass may decrease if snails and other small animals decrease
- hawks may have less food if rabbits decrease
- lady beetles may decrease if aphids decrease
Which organism gets energy by eating algae?
- grasshopper
- sea urchin
- snail
- rabbit
In a kelp forest food web, which organism is the producer?
- algae
- grass
- kelp
- oak tree
Which energy path fits the prairie food web?
- Sun -> prairie grass -> grasshopper -> lizard
- lizard -> grasshopper -> prairie grass -> Sun
- grasshopper -> prairie grass -> lizard
- soil bacteria -> Sun -> lizard
What role do decomposers such as earthworm have in the garden ecosystem?
- turn consumers into rocks
- hunt all predators
- make sunlight for producers
- breaks down dead matter and returns materials to the system
If caterpillars decrease in the forest, what is a likely effect?
- lady beetles may decrease if aphids decrease
- bass may decrease if snails and other small animals decrease
- woodpeckers may lose a food source if caterpillars decrease
- lizards may have less food if grasshoppers decrease
Which organism gets energy by eating tomato plant?
- aphid
- snail
- rabbit
- caterpillar