WorksheetsScience Unit 6 Test (Energy & Ecosystems)
Total questions: 20
Worksheet time: 10mins
What is the process plants use to make sugar?
decomposition
photosynthesis
farming
What is chlorophyll?
a green pigment found in plant cells that allows plants to use sunlight to make food
a living thing that gets its energy from breaking down dead organims
a living thing that cannot make its own food
What is the name of an organism that makes its own food?
Consumer
Decomposer
Producer
What do the arrows of a food chain or food web show?
the flow or transfer of energy from one organism to another
how organisms decompose
how nutrients are made
What is the primary source of all energy?
Air
Sunlight
Water
Which of the following is a first-level consumer?
carnivore
herbivore
decomposer
As you move up the energy pyramid, the size of a population of organisms decreases. True or False?
True
False
What is the final stage of the food chain?
producer
consumer
decomposer
At each level of the energy pyramid, organisms use ____ % of their energy for life processes.
50%
90%
100%
Organisms pass on ____% of energy to the next level of the energy pyramid.
10%
15%
100%
Which of the following is a cause of decomposition?
bacteria
sunlight
water
What does a producer use during the process of photosynthesis?
sunlight, water, carbon dioxide
sugar, carbon dioxide, sunlight
water and air
Which of the following is an example of a producer?
apple tree
owl
pig
Which is the following is an example of a decomposer?
spinach plant
mushroom
cat
A ______ is an organism that cannot make its own food and must eat other organisms to get energy.
producer
consumer
________ shows the transfer of food energy from one organism to the next in an ecological community.
Food Chain
Food Web
__________ shows a group of food chains that overlap.
Energy Pyramids
Food Webs
Classify this organism.
Producer
Consumer, herbivore
Consumer, carnivore
What is being made during the process of photosynthesis?
oxygen and sugar
water and oxygen
carbon dioxide and sugar
What happens when mold grows on bread during the decomposition process?
materials in the bread are broken down into smaller, simpler parts
materials in the bread combine into new, more complex parts
