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WorksheetsEnergy Flow in Ecosystems Quiz
Total questions: 15
Worksheet time: 10mins
Which of the following best describes how energy from the sun is used by animals?
Animals directly absorb sunlight to gain energy.
Animals eat plants or other animals to obtain energy that originally came from the sun.
Animals use the sun's energy to breathe.
Animals store sunlight in their bodies for later use.
What is the primary source of energy for plants?
Water
Soil
Sunlight
Air
How do plants primarily obtain the materials they need for growth?
From the soil
From air and water
From sunlight
From other plants
Which of the following statements supports the argument that plants get their materials for growth from air and water?
Plants absorb nutrients from the soil.
Plants convert sunlight into food.
Plants take in carbon dioxide from the air and water from the soil.
Plants use oxygen to grow.
What role do decomposers play in the movement of matter in an ecosystem?
They produce energy from sunlight.
They break down dead organisms, returning nutrients to the soil.
They consume plants for energy.
They store energy for future use.
Which model best describes the movement of matter among plants, animals, and decomposers?
A straight line
A circle
A triangle
A square
How does energy from the sun become part of an animal's body?
Animals absorb sunlight directly.
Animals eat plants that have converted sunlight into energy.
Animals drink water that contains sunlight.
Animals breathe in sunlight.
What is the main process by which plants convert sunlight into energy?
Respiration
Photosynthesis
Digestion
Decomposition
Which of the following is NOT a source of materials for plant growth?
Air
Water
Soil
Sunlight
What happens to the matter in plants when they die?
It disappears.
It is absorbed by animals.
It is broken down by decomposers and returned to the environment.
It turns into sunlight.
Which of the following best describes the role of plants in an ecosystem?
They are decomposers.
They are producers that convert sunlight into energy.
They are consumers that eat other plants.
They are predators that hunt animals.
How do animals contribute to the movement of matter in an ecosystem?
By producing energy from sunlight
By consuming plants and other animals
By decomposing dead organisms
By creating new matter
Which of the following is a true statement about the energy in animals' food?
It is created by the animals themselves.
It originally comes from the sun.
It is stored in the soil.
It is absorbed from the air.
What is the primary way that plants obtain carbon for growth?
From the soil
From water
From carbon dioxide in the air
From sunlight
In an ecosystem, what is the relationship between plants, animals, and decomposers?
They all compete for sunlight.
They form a cycle of energy and matter transfer.
They exist independently of each other.
They all produce their own energy.
