🌿 Science & Nature Trivia
Quiz Set 4 — Ecology
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is the term for organisms that produce their own food?
Autotrophs (producers) make their own food through photosynthesis or chemosynthesis.
Question 2 of 10
What is a group of organisms of the same species living in the same area called?
A population is a group of individuals of the same species living and interbreeding in a specific area.
Question 3 of 10
What is the largest biome on Earth?
The ocean (marine) biome covers about 71% of Earth's surface and is the largest biome.
Question 4 of 10
What role do decomposers play in an ecosystem?
Decomposers like fungi and bacteria break down dead organisms, recycling nutrients back into the soil.
Question 5 of 10
What is biodiversity?
Biodiversity refers to the variety of all living organisms including species, genetic, and ecosystem diversity.
Question 6 of 10
What is an apex predator?
An apex predator sits at the top of the food chain with no natural predators in its ecosystem.
Question 7 of 10
What is the process of one ecological community gradually replacing another?
Ecological succession is the gradual process of change in species structure of a community over time.
Question 8 of 10
Which layer of the atmosphere contains the ozone layer?
The ozone layer resides in the stratosphere, approximately 15-35 km above Earth's surface.
Question 9 of 10
What is a symbiotic relationship where both organisms benefit?
Mutualism is a symbiotic relationship where both species benefit, such as bees and flowers.
Question 10 of 10
What percentage of Earth's water is fresh water?
Only about 3% of Earth's water is fresh, and most of that is locked in ice caps and glaciers.