Ecosystems General
A community of living organisms and their interactions with their environment.
What is an ecosystem?
Organism that makes its own food from energy from the sun.
What are producers?
An example of a natural cause that may result in an increase in a population within an ecosystem.
What is increased rainfall, more females or increased food source?
A zebra being hunted and eaten by a Lion is an example of this type of interaction.
What is predator and prey?
A diagram to show how several food chains are connected to show how organism are dependent on other organisms as sources of energy.
What is a food web?
Forest, Desert, Ocean, Chaparral.
What are examples of different ecosystems?
Organisms that eat other organisms for energy.
What are consumers?
An example of a human created negative disruption to an ecosystem is...
What is pollution, urbanization or wildfires?
The arrows in a food web diagram show the flow of...
What is energy?
Organisms that eat only plants.
What are herbivores?
Without them, the Yellowstone ecosystem was unbalanced resulting in increased deer and coyote populations.
What are Wolves.
When one organisms benefits and the other is neither harmed or benefits from the interaction. Like remoras and sharks.
What is commensalism?
Decomposers are important in an ecosystem because they _______________.
What is break down dead organic material, returning nutrients back to the environment.
Give an example of a food chain
grass → grasshopper → mouse → snake → hawk
Organisms that eat plants and animals.
What are omnivores?
Without them ecosystem would suffer because plants would not be pollinated in order to reproduce.
What are bees?
A tick, a flea and a tapeworm are all examples of this type of interaction.
What is a parasite?
What role would a bunny play in my food web?
a. decomposer
b. producer
c. consumer
consumer
The original source of energy in all ecosytems.
What is the sun?
The living and non-living parts of an ecosystem are called...
What is biotic and abiotic?
When Wolves were reintroduced to Yellowstone ecosystem this happened to the Deer and Coyote populations.
What is decreased?
Deer and Elk eat the same food in an ecosystem, this is an example of ____________.
What is competition?
This is the role plants play in an ecosystem.
What are producers?