Levels of Ecology
5 foxes together
What is a population?
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
What is an energy pyramid?
A population of finches arriving to a new island.
What is immigration?
A tick on a dog, drinking its blood. The tick benefits and the dog is harmed.
What is parasitism?
The study of the interactions of organisms with one another and with their environment.
What is ecology?
A community of organisms and the abiotic environment of the community.
What is an ecosystem?
grass ---> caterpillar ---> bluebird ---> hawk
What is an example of a food chain?
A forest fire burns through a forest, causing the carrying capacity of the forest to drop.
What is a population crash?
A close, long-term relationship between different species in a community.
What is symbiosis?
Living organisms in the environment, such as plants and animals.
What are biotic factors?
Part of the Earth where life exists.
What is the biosphere?
A deer eats only producers, such as grass.
What is an herbivore?
The number of owls a forest can support is an example of this.
What is carrying capacity.
A lion attacks and eats a gazelle. The lion is an example of a.....
What is a predator?
The polar bear eats seals, fish and penguins. This is an example of a....
What is a carnivore?
1 beluga whale
What is an organism?
A grizzly bear eats berries and fish.
What is an omnivore?
A species of finches leaving one island in the Galapagos to go to another.
What is emigration?
A bee drinks nectar from a flower, getting pollen on its hind legs. When the bee visits another flower, it transfers pollen. Both the bee and flower benefit.
What is mutualism?
An energy pyramid shows how energy is being passed from one tropic level to another. When energy is passed in an ecosystem from one trophic level to the next, this percentage of energy will be passed on.
What is 10%?
5 foxes, 6 oak trees, 2 bluebirds, 10 squirrels, 4 deer, many species of wildflowers, 7 pine trees
What is a community?
A community of organisms where there are several interrelated food chains.
What is a food web?
Water, nutrients, soil, sunlight, temperature, living space (a type of limiting factor~nonliving)
What are abiotic factors?
Orchids live in branches of trees to get sunlight. The orchid benefits while the tree is unaffected.
What is commensalism?
Two types of competition.
What is among individuals of the same species and among individuals of different species?