Food Webs
A simple linear model that shows the feeding relationships between organisms in an ecosystem
What is food chain?
an organism that only eats plants
An organism that makes its own food
What is a Producer?
Symbiotic Relationships can be these 3 things
What is harmful, beneficial or have no effect?
All living things want to
All living things can be classified as either __________ or ____________.
What are autotrophs and heterotrophs?
The arrow in a food chain (or web) shows
What is the direction the energy flows
An animal that captures and eats other animals
What is a predator?
Bees feeding on nector and pollinating the flower is an example of what type of symbiotic relationship.
What is mutualism?
Water, rocks and sun are examples __________ factors.
What is abiotic? (non living)
The organisms at the top of the food web are called ___________.
What is Tertiary Consumers or apex predators?
(either answer is acceptable)
A food chain typically has this many organisms in it.
What is 4? (producer, primary, secondary and tertiary consumers)
an animal that eats both animals and plants is called an ___________ and is considered a ___________ consumer
What is omnivore and secondary consumer
In the Oh Deer activity what happened when there was a scarcity of resources?
What is competition or decrease in population?
Either answer is correct
If there is an abundance of biotic and abiotic factors then the population of a species will
What is increase?
What organisms are found at the bottom of the food web?
What are Producers (plants)?
An organism that only eats other animals
What is a carnivore?
An organism that eats producers
What is a primary consumer?
A tick living on a dog is an example of what type of symboic relationship?
What is parasite?
The amount of energy that is transferred to the next level in an energy pyramid
What is 10%?
Energy flows in what direction in a food web?
What is up?
True or False: A food chain shows the feeding relationships in an ecosystem.
What is False (that is a food web)
Where all living things get energy from
A barncle on a whale is an example of what type of symbioic relationship
What is commensalism?
Animals, bacteria and fungi are examples of ____________ factors.
What is biotic? (living)