Biodiversity Unit 5 Exam Questions
and Answers 2026
Species Biodiversity -Correct Answer ✔-The number or variety of
species/populations in a region.
Ecosystem Diversity -Correct Answer ✔-The number or variety of habitats in a
given area.
Genetic Diversity -Correct Answer ✔-Variety of difference in DNA among
individuals.
What are the factors that can lead to extinction/biodiversity loss -Correct Answer
✔-Habitat Fragmentation
Invasive Species
Pollution
Population Growth
Overharvesting/Overconsumption
What are the benefits of biodiversity? -Correct Answer ✔--Ecosystem Services
-Increase Stability in ecosystem
-Increase resistance to diseases
-Common medicines are derived from plants
What causes variation in scientists estimates of biodiversity? -Correct Answer ✔--
only explored 3% of the oceans
-many bacteria and fungi are small so they are overlooked.
-some species are hard to tell apart
-some species become extinct before being discovered.
Extinction -Correct Answer ✔-Total die-off of species worldwide.
Extirpation -Correct Answer ✔-Die-off of species only locally, but not worldwide.
Brooks Biodiversity