Changes
What does dynamic mean?
When characteristics change over time
Provide an example of both living and non living parts of an ecosystem.
Non living- water, soil, dirt, air
Living- animals, plants, humans
A species that is hunted to near exinction.
Overharvested species
Pollution, habitat destruction and overharvesting would likely have a ______ effect on an ecosystem.
Negative
The case study we learned about in class involved these animals.
The red and gray squirrel
Floods, wild fires and tornados are examples of?
Sudden changes/ Disturbances
Ecosystems contain both of these components
living and non living organisms
fur color, size and shape are examples of?
Genetic Diversity
The first species to return after a disturbance, helps restore the ecosystem.
Pioneer species
The Pine Marten had what affect on the Gray squirrel population?
Negative.
This is the process ecosystems go through after a disturbance.
Succession
When factors stay within a certain range or stable conditions.
Ecosystem stability
What are the three levels of biodiversity?
Introduced species
The Pine Marten had what affect on the red squirrel population?
Positive or increased.
The seasons changing and natural Eutrophication are examples of?
Gradual Changes
This bird was a primary predator for the Brine Shrimp
The American Avocet
Forest fires are good for the environment because?
they provide nutrients to the soil, clear, dead trees, thin branches to allow sunlight through
This tree species uses fires to germinate their seeds.
Sequoia Redwood tree
red, then gray
What is natural Eutrophication?
Rocks and minerals dissolving in water providing nutrients to plants.
The process of decomposition involves what resource?
Oxygen
What is the process of artificial Eutrophication?
Human pollution causing run off into water sources creating toxic algae blooms
Locusts eat more food, causing their population to increase. Explain how this change could affect at least TWO other populations in the ecosystem.
Examples; less crops, predators that eat locusts increase.
Name one effect that BOTH the Gray squirrel and a storm can have on the Red squirrel
Reduces living space or decreases available food.