
Ecosystem Concepts and Interactions

Interactive Video
•
Biology, Science, Geography
•
9th - 12th 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 focus of this lesson on ecosystems?
To introduce new concepts in biology
To review previously learned concepts in ecosystems
To discuss the history of environmental science
To explore the anatomy of organisms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes an ecosystem?
A collection of non-living elements
A group of abiotic factors
Multiple species interacting with each other and their environment
A single species living in isolation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a keystone species?
A species with a disproportionate impact on its ecosystem
The most abundant species in an ecosystem
A species that is always a top predator
A species that is always a primary producer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a keystone species in aquatic ecosystems?
Sea stars
Sharks
Dolphins
Coral
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do autotrophs play in an ecosystem?
They are always at the top of the food chain
They decompose organic matter
They produce energy from sunlight or chemicals
They consume other organisms for energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do chemoautotrophs obtain energy?
By consuming other organisms
Through photosynthesis
By decomposing organic matter
By using inorganic gases from hydrothermal vents
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between autotrophs and heterotrophs?
Both rely on sunlight for energy
Autotrophs produce their own energy, while heterotrophs rely on other organisms for energy
Both are primary consumers
Autotrophs rely on other organisms for energy, while heterotrophs produce their own energy
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