Vocabulary
What is a group of organisms of the same species living in the same area, at the same time called?
A population
Biotic
The Sun
Which is the predator in the following example? A hawk eats a mouse.
The hawk
What would happen if the amount of producers in an ecosystem decreased?
Consumers would not have food. Energy would decrease.
Where abioitc and biotic factors interact.
Non-living factors
Abiotic
Which is correct when showing the order that energy flows in an ecosystem?
A. Sun to consumers to producers
B. Producers to sun to consumers
C. Sun to producers to consumers
C. Sun to producers to consumers
When one organism benefits while the other is harmed.
A. Competition
B. Symbiotic Parasitism
C. Symbiotic Mutualism
What would happen if we took the secondary consumer out of the following food chain?
Plant ----> Rabbit ----> Coyote
Rabbit population would increase.
Vegetation (plants) get their energy by doing this? (think about the sun)
Photosynthesis
An organism that cannot make it's own food and has to eat other things in order to get energy.
Heterotroph
In the food chain below, which is the producer?
Plant ----> Rabbit ----> Coyote
Plant
When two different organisms compete to eat the same prey. Example: A group of coyotes and a group of fox both going after a group of chickens.
Competition
What would happen if the amount of preys in an ecosystem decreased?
Predators would not have prey to eat and could die.
An organism that CAN make its own food (ex. plants)
Autotroph
A system of several food chains
Food Web
In the food chain below, which is the secondary consumer?
Plant ----> Cow ----> Human
Human
When both organisms benefit and neither is harmed.
Mutualism
What would happen if we took decomposers out of an ecosystem?
Nutrients would not be returned to the soil as fast. It would stay the same, it would rot or grow very fast.
Fill in the blanks:
1. Herbivores eat __________.
2. Carnivores eat __________.
3. Omnivores eat __________.
plants, meat, both.
Interaction between two different organisms
Symbiotic
What would happen if we took the primary consumer (rabbit) out of the food chain below?
Plant ----> Rabbit ----> Coyote
Coyote population could decrease because they would not have rabbits to eat.
When one organism benefits while the other is not bothered at all.
Commensalism
What would happen to energy in an ecosystem if all of the vegetation was killed?
Energy would decrease.