What is biodiversity and why is it important?

Exploring Biodiversity and Ecosystems

Quiz
•
Others
•
10th Grade
•
Hard
Priyanka Bhati
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biodiversity is only important for aesthetic purposes.
Biodiversity is the variety of life on Earth, and it is important for ecosystem health, resilience, and services.
Biodiversity refers to the number of species in a single habitat.
Biodiversity is the study of animal behavior in captivity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name three types of ecosystems and provide an example of each.
Wetland - Example: Mississippi River Delta
Tundra - Example: Arctic Tundra
1. Forest - Example: Amazon Rainforest, 2. Coral Reef - Example: Great Barrier Reef, 3. Desert - Example: Sahara Desert
Grassland - Example: Serengeti Plain
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do invasive species affect local ecosystems?
Invasive species enhance biodiversity by supporting native species.
Invasive species have no effect on local ecosystems.
Invasive species negatively impact local ecosystems by outcompeting native species and disrupting ecological balance.
Invasive species only affect the economy, not the environment.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do keystone species play in an ecosystem?
Keystone species have no significant impact on ecosystem dynamics.
Keystone species are only found in marine environments.
Keystone species play a critical role in maintaining the structure and diversity of an ecosystem.
Keystone species are always the most abundant species in an ecosystem.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of ecological succession.
Ecological succession is the gradual process of change and replacement in the species composition of an ecosystem over time.
Ecological succession is the immediate change in an ecosystem after a natural disaster.
Ecological succession is the process of introducing non-native species to an ecosystem.
Ecological succession refers to the sudden extinction of species in an ecosystem.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main threats to biodiversity today?
Species adaptation
Ecosystem stability
Natural selection
Habitat loss, climate change, pollution, overexploitation, and invasive species.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does deforestation impact biodiversity?
Deforestation has no effect on biodiversity.
Deforestation increases biodiversity by creating new habitats.
Deforestation improves species populations by reducing competition.
Deforestation negatively impacts biodiversity by causing habitat loss, population declines, and species extinctions.
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