Energy Flow

Quiz
•
Science
•
7th Grade
•
Medium

Manar Alsayyed
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Which of the following best describes a food chain?
A) A complex network of feeding relationships among various organisms
A linear sequence of organisms where each is eaten by the next
A diagram showing the energy flow in an ecosystem
A list of all the organisms in a specific habitat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food web, what role do producers play?
They consume other organisms for energy
They decompose organic material
They convert sunlight into energy through photosynthesis
They provide nutrients to the soil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy for most food chains?
The soil
Producers
The sun
Decomposers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an energy pyramid, which level typically contains the most energy?
The top level (tertiary consumers)
The middle level (secondary consumers)
The bottom level (producers)
The decomposers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a food chain consists of grass, rabbits, and foxes, which organism is the primary consumer?
Grass
Rabbits
Foxes
Bacteria
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy as you move from the bottom of the energy pyramid to the top?
It remains constant
It increases
It decreases
It fluctuates
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do decomposers fit into the food web?
They are at the top of the food chain
They recycle nutrients back into the ecosystem
They compete with primary consumers for food
They are not part of the food web
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