The relationship between two different organisms over a long period of time.
What is symbiosis?
How a food pyramid illustrates the amount of energy used in an ecosystem.
What is the energy decreases as you move up?
How a food web or chain illustrates energy in an ecosystem.
What is the flow of energy by arrows?
Shelter, nutrients, space, sunlight, and water
What are limiting factors of a natural ecosystem?
Relationship where one organism benefits and the other does not benefit but isn't harmed either.
What is commensalism?
The name of organisms that belong in the 2nd trophic level. (What eats producers?)
What are the primary consumers?
The grasshopper to the owl in the food web below.
What is an energy source or prey?
The effect to the population of prey animals when predators increase?
What is decrease in number?
The type of symbiosis.
What is mutualism?
If the fish eats producers, then the seal eats the fish. What level consumer is the seal?
What is a secondary consumer?
The missing part of the food web besides the energy source for the producers.
What are the decomposers?
According to the graph below, the reason why the rabbit population is so high COMPARED to the predator.
What is that there are fewer predators?
When two similar trees compete for the same resources.
competition
The organisms that complete the cycle of energy/food in a natural ecosystem by breaking down dead matter.
What are decomposers?
Where the grass obtains its energy
What is the sun?
The limiting factor trees would be competing for when there are too many trees in an area.
What is space?
The dog in the relationship between the dog and the flea
What is the host?
Through what other organism does the bird get its energy, besides from the grass?
What is the grasshopper?
The effect on organisms, if their habitat decreases.
What is a decrease in their numbers/population?