Topic 3: Biodiversity
17 review questions with answers for Topic 3: Biodiversity, 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 total diversity of living systems at habitat, species and genetic levels?
- Edge effects
- BiodiversityRight answer
- Species evenness
- Evolution
All 17 questions and answers
The total diversity of living systems at habitat, species and genetic levels?
Answer: Biodiversity
The number of different species in a community?
Answer: Species richness
How similar the population sizes of each species are in a community?
Answer: Species evenness
Quantitative measure of species diversity accounting for richness and evenness; formula: N(N-1)/Σn(n-1)?
Answer: Simpson's reciprocal index
Cumulative change in the heritable characteristics of a population over generations?
Answer: Evolution
Process by which better-adapted individuals survive and reproduce more successfully?
Answer: Natural selection
Formation of a new species when a population becomes reproductively isolated and diverges?
Answer: Speciation
International database rating species conservation status from Least Concern to Extinct?
Answer: IUCN Red List
Non-native species that cause ecological or economic harm after introduction?
Answer: Invasive alien species
The concept that shared, unrestricted use of a resource leads to its overexploitation?
Answer: Tragedy of the commons
Conservation that occurs outside the species' natural habitat (e.g. zoos, seed banks, botanic gardens)?
Answer: Ex situ conservation
Conservation within the species' natural habitat (e.g. national parks, nature reserves)?
Answer: In situ conservation
UN treaty addressing species-based and habitat-based conservation and the fair sharing of benefits from genetic resources?
Answer: Convention on Biological Diversity (CBD)
International trade agreement regulating trade in endangered wild species?
Answer: CITES
Conservation approach that restores natural processes by reintroducing keystone species and reducing human intervention?
Answer: Rewilding
Strips of habitat connecting isolated conservation areas, allowing species movement and gene flow?
Answer: Wildlife corridors
Negative effects at the boundary between habitats that reduce habitat quality for interior species?
Answer: Edge effects
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.