Energy Flow Through Living Systems
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The flow of energy through living systems can be modeled as food chains, food webs, or energy pyramids. The energy organisms need to live and grow first enters the ecosystem when which of the following occurs?
Plants take in light energy from the sun
Decomposers break down dead organisms
Primary consumers eat plants for food
Secondary consumers eat primary consumers
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best describes how energy is transferred in a food web?
All energy is transferred to each level of a food web.
Energy flows from producers to one or more levels of consumers.
Consumers transfer their energy to producers.
Decomposers get their energy directly from the sun.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mr. Smith provides a diagram of a food web and asks the students to identify the various ways matter is flowing through these relationships. The diagram is provided. Based on the diagram, it is reasonable to conclude that matter could follow which of the following paths as it cycles through this ecosystem?
Plant seeds --> grass --> deer
Plant seeds --> field mouse --> robin
Eagle --> deer --> plant seeds
Grass --> deer --> mountain lion
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Food webs diagram the complex relationships of energy flow in an ecosystem containing a variety of producers and consumers. A diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem?
Star grass --> termite --> wildebeest --> aardvark
Hyena --> aardvark --> impala --> harvester ant
Grasshopper --> termite --> warthog --> hare
Red oat grass --> termite --> wildebeest --> lion
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A food web diagram is provided. Based on this diagram, which three consumers all get their energy from the same producer?
Squirrel, robin, and field mouse
Squirrel, deer, and mountain lion
Prairie grass, deer, and mountain lion
Plant seeds, field mouse, and snake
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A diagram is provided. Which of the following can be determined by this diagram?
The energy of the mongoose is passed on to the hare.
The cheetah supplies energy to a variety of organisms.
The energy of the acacia tree is passed on to the impala.
The aardvark, pangolin, and mongoose are all producers.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A food web shows all energy transfer interactions within a sample of organisms. A food web diagram is provided. The role of the snapper turtle is best defined by which of the following?
To break down waste products made by producers, such as algae
The top consumer that receives its energy from other consumers
Converts light energy from the sun and transfer it to consumers
Provides energy to the sunfish, snails, and bass
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
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