
Ecosystem Relationships and Dynamics

Interactive Video
•
Biology, Science, Geography
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between biotic and abiotic components in an ecosystem?
Biotic components are non-living, while abiotic components are living.
Biotic components are living, while abiotic components are non-living.
Biotic components include water and air, while abiotic components include plants and animals.
Biotic components are always larger than abiotic components.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a producer in an ecosystem?
An organism that consumes other organisms for energy.
An organism that decomposes dead material.
An organism that makes its own food through photosynthesis or chemosynthesis.
An organism that competes with others for resources.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food chain, what percentage of energy is typically transferred from one trophic level to the next?
50%
10%
1%
100%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a niche in an ecosystem?
The physical space an organism occupies.
The role or job an organism has within its environment.
The food an organism eats.
The time of day an organism is active.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the competitive exclusion principle, what happens when two species compete for the same resources?
Both species will thrive equally.
One species will outcompete the other, leading to the latter's decline.
Both species will share the resources equally.
The resources will become more abundant.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of symbiotic relationship benefits one organism while the other is unaffected?
Predation
Parasitism
Commensalism
Mutualism
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a mutualistic relationship, how do both organisms benefit?
One organism is harmed while the other benefits.
Both organisms are harmed.
Both organisms benefit from the interaction.
Neither organism is affected.
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