7th grade · Science · Unit 12 of 12
Biodiversity in Oregon
Healthy ecosystems, and judging ways to protect them.
What your child practices
Practices why biodiversity and ecosystem services matter and how to compare solutions that protect them, with Oregon examples like marine reserves, kelp forests and urchins, beaver wetlands, salmon rivers and old-growth forests.
Oregon State Standards learning standard: 7.LS2.5 · evaluating competing solutions for maintaining biodiversity and ecosystem services
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Ecosystem services are…
- car repairs
- jobs at a zoo
- benefits people get from ecosystems
- cleaning services
benefits people get from ecosystems
Hint: Clean water, pollination, food.
Question 2
Biodiversity means…
- the variety of life in an area
- how big one animal is
- the number of rocks
- the weather
the variety of life in an area
Hint: Many kinds of living things.
Question 3
Which is an ecosystem service?
- A factory making cars
- Wetlands filtering water
- A road being paved
- A mall opening
Wetlands filtering water
Hint: Nature's work.
Question 4
Beavers, Oregon's state animal, build dams that…
- stop all fish
- dry out every stream
- create ponds and wetlands for many species
- make deserts
create ponds and wetlands for many species
Hint: Beavers change habitats.
Question 5
Which threatens biodiversity?
- Protected parks
- Clean rivers
- Native plantings
- Habitat loss
Habitat loss
Hint: Losing homes.
Question 6
Why is genetic diversity in a population important?
- It helps the population survive changes
- It doesn't matter
- It stops reproduction
- It makes all members identical
It helps the population survive changes
Hint: Variety gives options.