B4.2 Ecological Niches
16 review questions with answers for B4.2 Ecological Niches, marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
The unique role of a species in an ecosystem, including its habitat, nutrition, and interactions?
- Realized Niche
- Ecological NicheRight answer
- Fundamental Niche
- Niche Generalists
All 16 questions and answers
The unique role of a species in an ecosystem, including its habitat, nutrition, and interactions?
Answer: Ecological Niche
What is the division of resources to reduce competition between species?
Answer: Resource partitioning
The principle that two species cannot occupy the identical niche in the same habitat indefinitely?
Answer: Competitive Exclusion
The theoretical range of conditions and resources a species could use without competition?
Answer: Fundamental Niche
The actual range of conditions and resources a species does use due to competition?
Answer: Realized Niche
Species with a broad niche that can live in many places and eat many foods?
Answer: Niche Generalists
Species with a narrow niche that require specific conditions to survive?
Answer: Niche Specialists
Nutrition in animals where food is ingested, digested internally, and assimilated?
Answer: Holozoic
Organisms that secrete enzymes to externally digest dead organic matter before absorbing it?
Answer: Saprotrophs
Organisms that ingest dead organic matter and digest it internally (e.g., earthworms)?
Answer: Detritivores
General term for organisms that combine autotrophic and heterotrophic nutrition, obligately or facultatively?
Answer: Mixotrophs
Organisms that must use more than one method of nutrition to survive?
Answer: Obligate Mixotrophs
Organisms that can switch between nutritional modes depending on the environment?
Answer: Facultative Mixotrophs
Teeth that are chisel-shaped for cutting and biting off pieces of food?
Answer: Incisors
Sharp, pointed teeth used for holding and tearing food?
Answer: Canines
Large, flat, and ridged teeth used for grinding tough plant fibers?
Answer: Molars / Premolars
Play it as a class game
Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.