7th grade · Science · Unit 10 of 10
Biodiversity & Puget Sound
Healthy ecosystems and protecting variety of life.
What your child practices
Practices why biodiversity and ecosystem services matter, and how to evaluate solutions that protect ecosystems such as Puget Sound, salmon streams and old-growth forests.
Washington State Learning Standards learning standard: MS-LS2-5 · evaluating solutions that maintain 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
Which solution protects biodiversity in a city?
- Using lots of pesticides
- Paving gardens
- Mowing all wildflowers
- Planting native plants
Planting native plants
Hint: Native plants feed native animals.
Question 2
Bees pollinating crops is an example of an…
- invasive species
- ecosystem service
- abiotic factor
- pollutant
ecosystem service
Hint: Nature helps farms.
Question 3
Eelgrass meadows in Puget Sound provide…
- oil
- nursery habitat for young fish
- fresh drinking water
- sand for beaches only
nursery habitat for young fish
Hint: Underwater shelter.
Question 4
Which helps salmon streams?
- Building concrete channels
- Dumping waste
- Removing all shade
- Planting trees along the banks
Planting trees along the banks
Hint: Shade cools water.
Question 5
Ecosystem services are…
- benefits people get from ecosystems
- cleaning services
- jobs at a zoo
- car repairs
benefits people get from ecosystems
Hint: Clean water, pollination, food.
Question 6
When evaluating a solution, scientists consider…
- only cost
- only color
- only speed
- costs, benefits and effects on ecosystems
costs, benefits and effects on ecosystems
Hint: Weigh the trade-offs.