What is the difference between a food chain and a food web in terms of species diversity?
Biodiversity

Quiz
•
Biology, Science
•
8th Grade
•
Easy
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A food chain has higher species diversity than a food web because it consists of multiple interconnected food chains.
A food web has higher species diversity than a food chain because it consists of multiple interconnected food chains, allowing for more interactions among species.
A food chain and a food web have the same level of species diversity as they both represent the same ecological relationships.
A food web is simpler than a food chain and therefore has lower species diversity.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is an example of a keystone species and its impact on biodiversity?
Sea otter, which helps maintain ecosystem structure and biodiversity
Dolphin, which is known for its intelligence and social behavior
Shark, which is a top predator but does not significantly affect biodiversity
Frog, which is an indicator species but not a keystone species
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How can conservation efforts help maintain biodiversity?
By promoting urban development and industrial growth.
By preserving ecosystems and the species that inhabit them.
By increasing pollution and habitat destruction.
By encouraging overfishing and hunting of endangered species.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What role do producers play in an ecosystem?
Producers convert sunlight into energy through photosynthesis, forming the base of the food web and providing energy for herbivores.
Producers are organisms that consume other organisms for energy and nutrients.
Producers are responsible for decomposing organic matter in the ecosystem.
Producers are animals that primarily feed on plants and other producers.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Why is low biodiversity a concern for an ecosystem?
It can lead to increased competition among species.
It can cause a collapse of the food web, leading to the extinction of herbivores and other dependent species.
It results in more resilient ecosystems that can withstand changes.
It allows for a greater variety of species to thrive.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What factors can threaten biodiversity in an ecosystem?
Habitat destruction
Natural disasters
Seasonal changes
Soil fertility
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the concept of ecological niche?
A species' physical appearance and characteristics.
The role and position a species has in its environment, including its habitat, resource use, and interactions with other species.
The geographical distribution of a species across the globe.
The evolutionary history and lineage of a species.
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