Words You Should know
Biotic or Abiotic
Understanding Diagrams
Community Interactions
Random
100
An environment that provides the things an organism needs to live, grow, and reproduce.
Habitat
100
Plants 
Biotic
100
What do the arrows represent in the food web?
The Flow of Energy
100
An interaction in which one organism kills another for food. Ex. 
Predation
100
An organism that has a diet that consists only of meat.
Carnivore.
200
Non-living factors in a community are called..
Abiotic (factors)
200
Temperature 
Abiotic
200
In this diagram, we can see the snail eats the dead algae. What kind of organism is the snail? (hint: think about it's diet)
Decomposer
200
A relationship between two species in which one species benefits and the other is harmed.
Parasitism
200
Organisms that collect energy by photosynthesis or chemosynthesis.
Example- Plants
Autotrophs or Producers
300
Organisms that only eats plants.
Herbivore
300
Sand
Abiotic
300
If Mice were removed from this food web, how would it most likely impact owls and hawks?
The hawk and owl populations would have less food and their populations would decrease.
300
This type of interaction is two or more organisms competing for the same resource.
Competition
300
Little Billy grows a small garden. Little Billy gardens need specific resources to grow. The garden is outside. If the garden gets plenty of sun and water, what is the garden's limiting factor? 
Space to grow
400
An organism that breaks down wastes and dead organisms.
Decomposers
400
Mushrooms
Biotic
400
If more of the same species of snakes migrate into the area, what will happen to the rabbit population?
The rabbit population will decrease.
400
A relationship between two species in which both species benefit. Ex.
Mutualism
400
Fungus are considered as decomposers. What is another word for decomposer?
Detrivores
500
An organism that is killed and eaten by another organism.
Prey
500
A mouse breathes in air. Which factor is abiotic? Which factor is biotic?
The mouse is biotic. The air is abiotic.
500
Which two ecosystems will support the FEWEST plants?
Desert and tundra.
500
A relationship between two species in which one species benefits and the other is neither helped nor harmed. Ex.
Commensalism
500
The pyramid shows the amount of energy in an ecosystem. How much energy transfers from one level of the pyramid up to the next? 
10%
90% is lost as heat.
600
A type of symbiotic relations where two different species BOTH, benefit. (+/+)
Mutualism
600
A volcano pouring out lava. Which factor(s) is/are abiotic? Which factor is/are biotic?
The volcano and lava are both abiotic.
600
According to the line graph, from point A to point B, the reindeer population stays the same. From point B to point C, the reindeer population increases a lot. What happened to the reindeer population between point C to point D?
The reindeer population decreased.
600
Aphids (insects) feed on plant sap which slows the growth of the plant, causing the plant to wilt, and sometimes die. Which organism(s) benefit(s)? What kind of interaction is this?
Aphids.
This is a parasitic relationship.
600
If the eastern grey squirrel population decreases, what will happen to the red fox population?
The red fox population will decrease.