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WorksheetsUnit 9 Energy Flow in Living Systems Review
Total questions: 20
Worksheet time: 40mins
_______________use energy from the sun to make their own food.
Consumer
Producer
Decomposer
_________ are living things that receive energy by eating other living organism
Consumer
Producer
Decomposer
The illustration shows a food chain. Which of the organisms within the food chain are consumers?
Grasshopper, mouse, snake, hawk
Snake, hawk, grass, mouse
Grass, grasshopper, hawk
Snake, grass, mouse
Which of the following is NOT needed for a producer to make its own food?
Carbon Dioxide
Water
Sunlight
Oxygen
What do producers need to make their own food?
Sunlight, oxygen, and water
Heat, carbon dioxide, and oxygen
Sunlight, carbon dioxide, and water
Heat, carbon dioxide, and water
Which of the following is an example that demonstrates how consumers get their energy?
Water absorbed by plant roots
A cow eating grass in a field
A cactus storing water
An oak tree absorbing sunlight
Phytoplankton makes food with water and carbon dioxide, what is this an example of?
Decomposer
Consumer
Producer
If you were to draw a food web correctly from this chart, which organisms should have two arrows pointing toward them?
The roadrunners
The desert grasses
The hawks
The rattlesnakes
Rain forests normally receive a lot of rain. Which of the following is MOST LIKELY to happen to the plants in a rain forest during a severe drought and which organism might this affect?
The plants will grow taller. Carnivores may have more food.
The plants will wilt and may die. Herbivores may have less food.
The plants will sprout new leaves. Carnivores may have more food.
The plants will quickly adapt. Herbivores may have more food.
If there is a shortage of zebras on the African plains, which of these are LEAST LIKELY to happen?
Lions would eat the grass made available by fewer zebras.
Lions would hunt for other animals.
The number of gazelles would decrease.
The number of lions would decrease.
The illustration shows a food web. What would happen to this ecosystem if the grass within the box was destroyed.
The grasshopper population would increase.
The giraffe population would decrease.
The bush population would increase.
The grasshopper population would decrease.
Which of the following food chains shows the energy flow in the correct order?
snakes → mice → grasses → sunlight
sunlight → shrubs → deer → mountain lions
snakes → hawks → mountain lions → sunlight
sunlight → grasses → deer → mice
After a forest fire, many of the animals move to a different location because there is no food available in the ecosystem. The first plants to return to the ecosystem are the grasses. Based on this food web, what would be the first animal to return to the ecosystem?
Finches
Chipmunks
Grasshoppers
Deer
If there was a loss of habitat for the Houston Toad, how would this most likely affect the food web?
an increase in the number of insects
an increase in the number of opossums
a decrease in the number of armadillos
a decrease in the number of wildflowers
The table shows characteristics of producers and consumers. Which example would best replace the "X" in the table?
Zebra
Shrubs
Plants
Trees
What is the source of energy for grasses in the food web?
Shrubs
Mice
Deer
The Sun
All living things need ___________ to survive.
Energy
Hair
Windows
Soil
All living and nonliving things interact to form a(an)
Habitat
Ecosystem
Organism
Village
What is the path of food energy from one organism to another called?
Organism
Sun
Food Chain
environment
An animal that eats meat and plants is a (an) ______________.
Carnivore
Omnivore
Decomposer
None of the Above
