by Crosby Cromwell
The biosphere encompasses all living organisms on Earth, interacting with the physical environment to form a complex web of life. This quiz will take you through various aspects of the biosphere, from ecosystems and species interactions to the impact of human activities. Sharpen your knowledge and see how well you understand the intricate balance that sustains life on our planet. Good luck!
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
Biosphere Quiz Questions Overview
1. What is the biosphere?
The layer of gases surrounding Earth
The solid outer layer of Earth
The regions of Earth where life exists
The water bodies on Earth
2. Which of the following is a primary producer in an ecosystem?
Lion
Oak tree
Mushroom
Eagle
3. What is biodiversity?
The number of species in a given area
The variety of ecosystems in a region
The genetic variation within a species
All of the above
4. Which of the following is a biotic component of an ecosystem?
Rocks
Water
Plants
Sunlight
5. What is the main source of energy for the biosphere?
Geothermal energy
Wind energy
Solar energy
Chemical energy
6. Which of the following is an example of a decomposer?
Grass
Earthworm
Deer
Eagle
7. What is an ecological niche?
A type of habitat
The physical space a species occupies
The role and position a species has in its environment
The genetic makeup of a species
8. Which of the following is a characteristic of a sustainable ecosystem?
High biodiversity
Overexploitation of resources
High pollution levels
Low species diversity
9. What is the greenhouse effect?
The cooling of Earth’s surface
The trapping of heat by greenhouse gases in Earth’s atmosphere
The reflection of sunlight by Earth’s surface
The absorption of ultraviolet radiation by the ozone layer
10. Which of the following is an example of mutualism?
A lion hunting a zebra
A bee pollinating a flower
A tick feeding on a dog
A fungus decomposing dead leaves
11. What is the primary cause of deforestation?
Natural wildfires
Insect infestations
Agricultural expansion
Climate change
12. Which of the following is a consequence of habitat fragmentation?
Increased biodiversity
Enhanced ecosystem services
Isolation of wildlife populations
Improved genetic diversity
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
