PLEASE SEE GOOGLE CLASSROOM
Quiz on Monday, January 15th
~ see Google Classroom for study sheet
QUIZ #2 STUDY NOTES:
Definitions:
Wetlands
Primary consumer
Secondary consumer
Tertiary consumer
Energy pyramid
Food web
Food chain
Cycle
Cycling of matter
Limiting factors
Native species
Introduced species
Bioinvasion
Invasive species
Sustainability
Organic matter
Key Concepts:
How is the sun’s energy passed along in an ecosystem?
Difference between a food chain and food web
There is less energy available to consumers at higher levels in a food chain. Why?
Draw a food chain diagram to show how the sun’s energy is transferred to a chicken sandwich
How can humans help with the cycling of basic nutrients in ecosystems?
Would you expect an ecosystem that had not been disturbed for 20 years to remain the same? Why or why not?
What do you think would eventually happen in an ecosystem if there were no decomposers?
Why is the movement of basic elements in ecosystems different from the transfer of energy?
Explain in your own words how populations are limited in ecosystems.
How can a new species with no natural predator affect the populations of other species in an ecosystem?
What factors affect the populations in an ecosystem?
What role do bacteria and other tiny organisms have in making sure that nutrients are always available in ecosystems?
Explain how turning a small forest and the meadow around it into a shopping centre affects the environment.
How could an ecosystem sealed in a jar model a real ecosystem?
Draw a diagram that shows the cycling of matter in an ecosystem.
TEST: Tuesday, October 3rd
