Science · Ecosystems
Ecosystems Quiz
Biotic and abiotic factors, populations, communities, energy flow and how ecosystems change.
- 🎓 Grades 5–7
- 🧪 Science
- 📐 MS-LS2-1
- ❓ 20 questions
Play with this set
Pick a game: the questions load straight in
Opens on your board, ready to play in teams. No student devices needed.
Questions 20 questions
Answers stay hidden until you show them, so this page is safe on the projector.
Which is an abiotic (nonliving) part of an ecosystem?
- A Grass
- B Mushrooms
- C Deer
- D Sunlight
Which is a biotic (living) part of an ecosystem?
- A Water
- B Bacteria
- C Rocks
- D Temperature
All the members of one species in an area make up a…
- A Biome
- B Community
- C Food web
- D Population
All the populations living together in an area make up a…
- A Population
- B Community
- C Species
- D Habitat
A large region with a typical climate and plants is a…
- A Cell
- B Niche
- C Biome
- D Population
What is a niche?
- A The role an organism plays
- B The place an animal sleeps
- C A kind of rock
- D A type of weather
About how much energy passes from one level of a food chain to the next?
- A About 50%
- B All of it
- C About 10%
- D About 90%
What happens to most energy at each food chain level?
- A It goes back to the sun
- B It is used for life or lost as heat
- C It is stored forever
- D It turns into soil
Two species that both benefit from living together show…
- A Predation
- B Parasitism
- C Competition
- D Mutualism
A tick feeding on a dog is an example of…
- A Parasitism
- B Commensalism
- C Decomposition
- D Mutualism
Bees and flowers help each other. This is…
- A Mutualism
- B Parasitism
- C Competition
- D Predation
When two animals need the same limited food, they are in…
- A Hibernation
- B Mutualism
- C Competition
- D Migration
What is a limiting factor?
- A A food producer
- B A kind of predator
- C A type of biome
- D Something that limits population growth
An invasive species is one that…
- A Is always a plant
- B Is brought in and harms a new ecosystem
- C Has gone extinct
- D Lives only in zoos
Which biome has permafrost and few trees?
- A Rainforest
- B Desert
- C Grassland
- D Tundra
Which biome has the most kinds of living things?
- A Desert
- B Tropical rainforest
- C Taiga
- D Tundra
What is biodiversity?
- A The number of rocks
- B The variety of life in an area
- C The size of a habitat
- D The amount of rain
What is it called when plants slowly return to land after a fire?
- A Succession
- B Extinction
- C Migration
- D Erosion
What is the carrying capacity of an ecosystem?
- A Its total land area
- B The amount of rain it gets
- C The largest population it can support
- D The number of producers only
Which is a decomposer in a forest ecosystem?
- A Pine tree
- B Fungi
- C Deer
- D Owl
More question sets