WorksheetsFood Chains
Total questions: 10
Worksheet time: 5mins
2. In constructing a simple aquatic food chain, a student lists algae, a small fish, water, and a larger fish. How should these elements be arranged to correctly represent the flow of energy?
water --> algae --> small fish --> larger fish
algae --> small fish --> larger fish --> water
larger fish --> small fish --> algae --> water
small fish --> larger fish --> algae --> water
Which of the following is capable of photosynthesis, thereby producing its own food using sunlight? SC.4.L.17.3
a fern
a rabbit
a fish
a beetle
3. What role do producers play in a food chain? SC.4.L.17.3
Producers convert energy from the sun into food.
Producers consume other organisms for energy.
Producers are the primary consumers in a food chain.
Producers do not contribute to the flow of energy in a food chain.
4. Which of the following best describes a producer in an ecosystem? SC.4.L.17.3
A producer typically consumes other organisms for energy.
A producer can create its own food through processes like photosynthesis.
A producer is always smaller than consumers in the food chain.
A producer relies on consumers to produce energy.
In the mangrove ecosystem food chain depicted by Martel: The Sun → mangrove tree → mud crab → fish → turtle, which organism is the primary consumer?
the mangrove tree
the mud crab
the fish
the turtle
Which of the following organisms does not produce its own food through photosynthesis?
rabbit
sunflower
algae
pine tree
7. What is the primary diet of a rabbit in its natural habitat? SC.4.L.17.2
insects
seeds
grass
fruit
What is the primary source of energy for photosynthesis in plants?
Nutrients
Carbon dioxide
Sunlight
Chlorophyll
9. During photosynthesis, plants convert sunlight into energy. Which combination of elements is essential for this process?
sunlight, water, and nutrients
sunlight, water, and carbon dioxide
sunlight, soil, and oxygen
sunlight, water, and oxygen
11. Jenny placed her green plant under a shaded area in her garden and watered it regularly. After a month, she observed that the plant was not growing as expected. What is the most probable cause for the plant's lack of growth?
It received too much water.
It was exposed to too much sunlight.
It lacked sufficient light.
It was in unsuitable soil.
