levels of organization
What is the smallest level of ecological organization?
An organism
These organisms make their own food.
What are producers?
As you move up an energy pyramid, energy does this.
What is decreases?
Sunlight is an example of this type of factor.
What is abiotic?
This interaction occurs when organisms fight for the same resource.
What is competition?
This level includes all members of the same species living in one area?
A population.
These organisms get energy by eating other organisms.
What are consumers?
About this percentage of energy is passed to the next trophic level.
What is 10 percent?
Plants and animals are examples of this type of factor.
What is biotic?
A species introduced to a new area that may cause harm.
What is an invasive species?
This level includes all living and nonliving things in an area.
an ecosystem
This process allows producers to make food using sunlight.
What is photosynthesis?
This shows one straight path of energy flow.
What is a food chain?
Name one abiotic factor in an ecosystem.
What is water / temperature / sunlight / soil?
A species at risk of extinction.
What is endangered?
This level includes all ecosystems on earth.
The biosphere
This type of consumer eats only plants.
What is an herbivore?
This shows multiple interconnected food chains.
What is a food web?
Name one biotic factor in a forest.
What is a tree / animal / fungus / bacteria?
This type of symbiosis benefits one species and harms the other.
What is parasitism?
Put these in order from smallest to largest: ecosystem, organism, population, and biome.
Organism - Population - Ecosystem - Biome
These organisms form the base of all food chains.
What are producers?
This explains why top predators are fewer in number.
What is less available energy at higher trophic levels?
These factors can limit population size.
What are abiotic and biotic factors?
One species benefits while the other is unaffected.
What is commensalism?