by ezequiel83
Energy is the lifeblood of ecosystems, driving the interactions between organisms and their environment. In this quiz, you’ll delve into the fascinating world of energy flow, exploring how it sustains life from the smallest producers to the top predators. Get ready to challenge your understanding and deepen your appreciation for the delicate balance that keeps our ecosystems thriving. Good luck!
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Energy Flow in Ecosystems Quiz Questions Overview
1. What is the primary source of energy for most ecosystems?
The Sun
Wind
Water
Geothermal heat
2. Which organisms are considered primary producers?
Herbivores
Carnivores
Plants
Decomposers
3. What term describes animals that eat only plants?
Carnivores
Omnivores
Herbivores
Decomposers
4. Which level of the food chain do primary consumers occupy?
First
Second
Third
Fourth
5. What role do decomposers play in an ecosystem?
Produce energy
Consume plants
Break down dead matter
Hunt prey
6. Which of the following is an example of a tertiary consumer?
Grasshopper
Rabbit
Wolf
Mushroom
7. What is the 10% rule in energy transfer within an ecosystem?
10% of energy is lost at each trophic level
10% of energy is transferred to the next level
10% of organisms survive at each level
10% of biomass is retained at each level
8. Which of the following best describes a food web?
A linear sequence of organisms
A network of interconnected food chains
A single path of energy flow
A diagram of trophic levels
9. What is biomass in the context of ecosystems?
The total mass of living organisms
The energy produced by plants
The number of species in an area
The amount of sunlight received
10. Which organisms are at the base of a food pyramid?
Primary consumers
Secondary consumers
Tertiary consumers
Primary producers
11. What is a trophic level?
A measure of energy efficiency
A feeding position in a food chain
A type of ecosystem
A species’ reproductive rate
12. Which of the following is an example of a detritivore?
Lion
Earthworm
Eagle
Shark
13. How does energy flow in an ecosystem?
From consumers to producers
From decomposers to producers
From producers to consumers
From consumers to decomposers
14. What is a keystone species?
A species with no predators
A species that has a disproportionately large effect on its environment
A species that is the most abundant
A species that is at the top of the food chain
15. Which process do plants use to convert solar energy into chemical energy?
Respiration
Photosynthesis
Transpiration
Fermentation
16. What is the role of a secondary consumer in a food chain?
To produce energy
To consume primary consumers
To decompose organic matter
To consume primary producers
17. What is an apex predator?
A predator with no natural enemies
A predator that hunts in packs
A predator that only eats plants
A predator that lives in water
18. Which of the following best describes an omnivore?
An organism that eats only plants
An organism that eats only animals
An organism that eats both plants and animals
An organism that decomposes organic matter
19. What is the significance of the nitrogen cycle in ecosystems?
It provides energy for photosynthesis
It recycles nutrients essential for plant growth
It regulates the water cycle
It controls the population of herbivores
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
