Case Studies
Which case study did we look at that involved an invasive specie?
Murder Hornets
If a specie is removed the whole ecosystem collapses. Is this a food chain or a food web?
Food chain.
Ecology
The study of how organisms interact with each other and their environment.
How many Spheres does Earth have?
Four
What are the names of Earths ecosystem services?
Supporting
Regulating
Cultural
Why were wolves removed from Yellowknife in 1926?
They were over hunted.
If a specie is removed from the ecosystem the ecosystem would adapt. Is this a food chain or a food web?
Food web
Organisms
Any living thing.
Atmosphere
Layers of gases surrounding Earth (e.g., oxygen, carbon dioxide, weather patterns)
Cutting down and selling lumber
Provisioning
If there is a large amounts of Great Whites, what does this mean about the ecosystem?
It is a healthy ecosystem.
How much energy is transferred through the trophic levels?
10%
Ecosystem
A community of biotic (living) and abiotic (non-living) factors in a specific area.
Hydrosphere
All water on Earth (e.g., oceans, lakes, glaciers, rivers)
A forest absorbing carbon dioxide.
Supporting
Which species did we analyze that are considered keystone species?
Great White Sharks, Wolves, Salmon.
How much energy is lost through the trophic levels?
90%
Web of Life
The concept that all living things are connected and dependent on each other.
Biosphere
All living things
A bee pollinating flowers
Regulating
Why is it beneficial for an ecosystem when a salmon spawns and dies?
How is heat lost as it moves through the trophic levels?
Metabolism and Heat
Biodiversity refers to the variety of life on Earth, including plants, animals, and microorganisms.
Lithosphere
Earth's solid layer (e.g., rocks, volcanoes, mountains, soil)
Going on a hike in the mountains.
Cultural