Grades 3-5Biodiversity
1. What are the place or places with everything a species needs to live, grow and reproduce?
A. habitat
B. refuges
C. parks
Grades 6-8Biodiversity
1. Which of these climate data is a good predictor of the plant community that might be in an area?
A. mean annual biotemperature
B. mean biotemperature of the hottest month
C. mean biotemperature of the coldest month
CORRECT: A, A,
Grades 3-5Biodiversity
2. What is the geographic area that a species lives in or could live in?
A. species range
B. habitat
C. refuges
Grades 6-8Biodiversity
2. What kind of plant community would you expect to find at a place with a mean annual biotemperature of 24° C and precipitation around 65 mm?
A. desert
B. tropical rain forest
C. grassland, steppe or prairie
CORRECT: A, A
Grades 3-5Biodiversity
3. What are the living things in an ecosystem?
A. the biotic component
B. the abiotic component
C. the climate
Grades 6-8Biodiversity
3. What kind of plant community would you expect to find at a place with a mean annual biotemperature of 9° C and precipitation around 300 mm?
A. grassland, steppe or prairie
B. temperate forest
C. tundra
CORRECT: A, A
Grades 3-5Biodiversity
4. What is it when one species lives in or on another species, drawing resources from it and sometimes harming it?
A. parasitism
B. mutualism
C. predation
Grades 6-8Biodiversity
4. What is the background extinction rate estimated from the fossil record?
A. 0.001% of species every 100 years
B. over 50% of species every 100 years
C. 0.5% of species every 100 years
CORRECT: A, A
Grades 3-5Biodiversity
5. What are all the individuals of the same species in one place?
A. a population
B. a community
C. an ecosystem
Grades 6-8Biodiversity
5. What is the conservation status of a species likely to become endangered in the near future througout all or a significant portion of its range?
A. threatened or vulnerable
B. near threatened
C. least concern
CORRECT: A, A
Grades 3-5Biodiversity
6. What is a species that no longer lives in a place where it used to live, but still lives someplace else?
A. locally extint
B. extinct in the wild
C. extinct
Grades 6-8Biodiversity
6. What is it when a species is no longer able to survive and reproduce in the wild?
A. extinct in the wild
B. species extinction
C. co-threatened species
CORRECT: A, A
Grades 3-5Biodiversity
7. Which species was deliberately hunted to extinction in the 1920s in Yellowstone National Park to limit their impact on livestock, but reintroduced to the park in the 1990s?
A. gray wolves
B. bald eagles
C. brown pelicans
Grades 6-8Biodiversity
7. What is the Carolina parakeet an example of?
A. a species extinction in recent history
B. a mass extinction in geologic times
C. a potential future extinction event
CORRECT: A, A
Grades 3-5Biodiversity
8. Blue orchard bees are active in the spring before honey bees. If pesticide use caused these bees to go locally extinct, which other species would be most affected?
A. early blooming fruit trees
B. mid-summer blooming crops
C. late summer blooming flowers like asters
Grades 6-8Biodiversity
8. What is the Hawaian crow an example of?
A. a species extinct in the wild
B. a species extinction in recent history
C. a mass extinction event
CORRECT: A, A
Grades 3-5Biodiversity
9. Who ensures that a forest can support multiple uses like logging, wildlife habitat, and recreation sustainably?
A. foresters
B. botanists
C. fisheries managers
Grades 6-8Biodiversity
9.The Biotic Index (BI), uses "b", the number of sensitive species, divided by "a",the total number of species. If b = 36 and a = 10, what does BI equal?
A. 3.6
B. 36
C. 10
CORRECT: A, A
Grades 3-5Biodiversity
11. Who sues agencies to make sure endgangered species laws are followed?
A. lawyers
B. wildlife managers
C. foresters
Grades 6-8Biodiversity
10. Who studies species in the wild to learn about life cycles and habitat for information to manage them for long term survival?
A. wildlife scientists
B. captive breeders
C. restoration ecologists
CORRECT: A, A
Grades 3-5Biodiversity
11. A scientist found 163 beetle species that only lived on one species of ttropical ree. If that pattern holds, how many species of beetles would you expect to find in five different species of trees?
A. 815
B. 163
C. 33
Grades 6-8Biodiversity
11. In law, who owns wildlife in the U.S.?
A. the U.S. public as a whole
B. the person on whose land the wildlife lives
C. no one
CORRECT: A, A
Grades 3-5Biodiversity
12. What are the living and non-living parts of the environment in a place?
A. communities
B. ecosystem
C. species
Grades 6-8Biodiversity
12. Which of these climate data is a good predictor of the plant community that might be in an area?
A. precipitation in the driest month
B. total annual precipitation
C. mean monthly precipitation
CORRECT: B, B
Grades 3-5Biodiversity
13. What is preserving and protecing wild species, habitats and ecosystems?
A. a species range
B. ecological conservation
C. energy conservation
Grades 6-8Biodiversity
13. What kind of plant community would you expect to find at a place with a mean annual biotemperature of 24° C and precipitation around 14,000 mm?
A. temperate rainforest
B. tropical rain forest
C. desert
CORRECT: B, B
Grades 3-5Biodiversity
14. What is it when two or more species use the same resource and can't share it?
A. predation
B. competition
C. parasitism
Grades 6-8Biodiversity
14. What kind of plant community would you expect to find at a place with a mean annual biotemperature of 3° C and precipitation from 60 to 1000 mm.
A. temperate forest
B. tundra
C. desert
CORRECT: B, B
Grades 3-5Biodiversity
15. What is it when two species help each other out in some way?
A. predation
B. mutualism
C. parasitism
Grades 6-8Biodiversity
15. What is the conservation status of a species that appears to be stable over most of all of its range for the time being?
A. threatened or vulnerable
B. least concern
C. near threatened
CORRECT: B, B
Grades 3-5Biodiversity
16. What is a measure of the variety of different species present in different ecosystems?
A. a community
B. biodiversity
C. a population
Grades 6-8Biodiversity
16. What is the conservation status of a species that is likely to become extinct in the near future throughout all or a significant portion of its range?
A. least concern
B. endangered
C. threatened or vulnerable
CORRECT: B, B
Grades 3-5Biodiversity
17. Which species was widespread before WWII, went locally extinct in the 1970s due to pesticides, but came back in the 2000s due to the regulation of pesticides by the Environmental Protection Agency?
A. gray wolves
B. bald eagles
C. whitetail deer
Grades 6-8Biodiversity
17. What is it when over 50% of living species disappear in 100 years?
A. species extinction
B. a mass extinction event
C. background extinction
CORRECT: B, B
Grades 3-5Biodiversity
18. Who ensures that a fish species can be harvested for food sustainably?
A. aquarists
B. fisheries managers
C. wildlife managers
Grades 6-8Biodiversity
18. What is the disappearance of thousands of marine species at the end of the Cretacous an example of?
A. a future extinction event
B. a mass extinction in geologic times
C. an historical extinction event
CORRECT: B, B
Grades 3-5Biodiversity
19. Milkweed habitats are often converted to crop fields or housing developments. If milkweeds went locally extinct, which other species would be most affected?
A. honey bees
B. milkweed bugs
C. cabbage butterflies
Grades 6-8Biodiversity
19. Which act do the U.S. Fish and Wildlife Service and the National Oceanic and Atmospheric Agency both administer?
A. the Clean Air Act
B. the Endangered Species Act
C. the Clean Water Act
CORRECT: B, B
Grades 3-5Biodiversity
20. Which species went locally extinct in the 1970s, but came back in the 2000s due to the regulation of pesticides by the Environmental Protection Agency?
A. oak trees
B. brown pelicans
C. gray wolves
Grades 6-8Biodiversity
20. Which of these is an effect of gray wolves being re-introduced into Yellowstone in the 2000s?
A. elk increased
B. beaver numbers increased
C. willow numbers decreased
CORRECT: B, B
Grades 3-5Biodiversity
23. What are the surroundings of an organism and the things that affect it?
A. parks
B. environment
C. climate
Grades 6-8Biodiversity
21. Who brings back natural ecosystems damaged by human activity or weather through active management (weeding, planting, flooding, draining, burning, etc.) ?
A. wildlife scientists
B. restoration ecologists
C. captive breeders
CORRECT: B, B
Grades 3-5Biodiversity
22. What is it called when stores, offices and houses replace plant and animal habitat?
A. industrialization
B. urbanization
C. desertification
Grades 6-8Biodiversity
22. The Biotic Index (BI) is used to tell whether a stream is healthy enough to support aquatic life. Which way should BI values go if stream health improves?
A. they should stay the same
B. up
C. down
CORRECT: B, B
Grades 3-5Biodiversity
23. In 2013 the number of wolves in Yellowstone National Park was 95. The average number of wolves in a pack is about 9. How many wolf packs would you expect to find in Yellowstone?
A. about 15
B. about 5
C. about 10
Grades 6-8Biodiversity
23. Biotemperature is the temperature at which plants can grow. What is the range of biotemperatures for most plants?
A. between 0° C and 24° C
B. between 32° C and 104° C
C. between 0° C and 30° C
CORRECT: C, C
Grades 3-5Biodiversity
24. What are the non-living things in an ecosystem?
A. the biotic component
B. the community
C. the abiotic component
Grades 6-8Biodiversity
24. What kind of plant community would you expect to find at a place with a mean annual biotemperature of 9° C and precipitation around 750 mm?
A. tropical rain forest
B. grassland, steppe or prairie
C. temperate forest
CORRECT: C, C
Grades 3-5Biodiversity
25. What is it when one species eats the other species?
A. mutualism
B. competition
C. predation
Grades 6-8Biodiversity
25. What is the death, without any surviving offspring, of all the individuals in a species?
A. local extinction
B. a genetic bottle neck
C. global species extinction
CORRECT: C, C
Grades 3-5Biodiversity
26. Who ensures that the habitats of wild animals have what the animals need to live and reproduce?
A. game wardens
B. fisheries managers
C. wildlife managers
Grades 6-8Biodiversity
26. What is the conservation status of species whose numbers are reduced over its range or which is dependent on conservation efforts to persist?
A. least concern
B. endangered
C. near threatened
CORRECT: C, C
Grades 3-5Biodiversity
27. What is a group of different species in one place?
A. a population
B. an ecosystem
C. a community
Grades 6-8Biodiversity
27. What is a U.S. law passed by congress in 1973 to conserve the ecosystems that endangered and threatened species depend on?
A. the Migratory Bird Treaty
B. the Basel Convention
C. the Endangered Species Act (ESA)
CORRECT: C, C
Grades 3-5Biodiversity
28. Which species was widespread before the civil war, went locally extinct in the early 1900s due to market hunting, but came back in the 1970s due to federal and state hunting laws and restocking efforts?
A. brown pelicans
B. gray wolves
C. whitetail deer
Grades 6-8Biodiversity
28. What are species that depend on a species that has gone extinct called?
A. extinct in the wild
B. a mass extinction event
C. co-threatened
CORRECT: C, C
Grades 3-5Biodiversity
29. Which species has gone extinct in most of its range due to urbanization, but is hanging on near the Los Angeles International Airport because the airport is preserving its habitat?
A. brown pelicans
B. gray wolves
C. Segundo blue butterflies
Grades 6-8Biodiversity
29. Which of these is an inventory of the global conservation status of a species
A. the Toxics Release Inventory
B. the U.S. Endangered Species List
C. the IUCN Red List
CORRECT: C, C
Grades 3-5Biodiversity
30. What is a group of organisms that can interbreed and produce fertile offspring?
A. a population
B. communication
C. a species
Grades 6-8Biodiversity
30. What can the Endangered Species Act (ESA) require of private landowners, developers and businesses if an endangered species if found on their property?
A. that they give up their land
B. nothing
C. that they take reasonable steps to protect them
CORRECT: C, C
Grades 3-5Biodiversity
31. It takes about 300 female blue orchard bees per acre to pollinate an almond orchard. How many bees would you need for 12 acres of almond trees?
A. 360
B. 36000
C. 3600
Grades 6-8Biodiversity
31. Who helps wild animals reproduce in safe enviroments like zoos or reserves and then releases them into the wild?
A. wildlife scientists
B. restoration ecologists
C. captive breeders
CORRECT: C, C
Grades 3-5Biodiversity
32. If the area of habitat required by an average whitetail deer is 400 acres, how many deer could live on 4800 acres?
A. about 40
B. about 6
C. about 12
Grades 6-8Biodiversity
32. Which of these is the main cause of extinction worldwide?
A. pollution
B. legal hunting
C. habitat loss
CORRECT: C, C