Ecosystem
A factor in an ecosystem that is not living, such as sunlight, temperature, and pollution.
What is an abiotic factor?
These animals feed exclusively on herbivores.
What are carnivores?
A relationship where both organisms are helped.
What is mutualism?
The term for the maximum number of individual species that an ecosystem can support.
What is carrying capacity?
This is reason two organisms can occupy the same space but not fight over resources.
What is occupying a different niche?
A type of organism necessary in the food chain because they break down dead plants and animals for energy.
What is a decomposer?
In a food web, this is another name for herbivores.
What are primary consumers?
A relationship where one organism is helped and the other is neither helped nor harmed.
What is commensalism?
When an ecosystem experiences a partial disturbance that leaves some soil and organisms intact.
What is secondary succession?
The organisms that have the largest amount of energy in an ecosystem.
What are autotrophs or producers?
A squirrel that cannot find a mate is an example of this kind of factor.
What is a biotic factor?
The general name for all consumers in a food web or food chain or energy pyramid.
What is heterotroph?
A relationship where one organisms is helped and the other is harmed.
What is parasitism?
A gradual change in a community after a disturbance.
What is ecological succession?
The number of chickens Mr. Anderson has at his house in Brooklyn.
These organisms feed themselves by using photosynthesis to synthesize food using carbon dioxide, water, and sunlight.
What are autotrophs or producers?
The is the percent of energy that gets passed up from one trophic level to the next.
What is 10%?
An interdependent relationship where two species increase and decrease based on the numbers of each species present. Usually with one species hunting the other.
What is a predator-prey relationship?
This is the name of the species that start to take hold on bare rock.
What are pioneer species?
What is a decrease in the number of organisms as you go up the food web or energy pyramid?
In an ecosystem this is the classification (name) of populations of different organisms that live together.
What is a community?
What is an autotroph or producer?
Rabbit populations vary in size over time. An increase in this factor would likely prevent the rabbit population from steadily increasing?
What are predators?
Factors such as fire, weather, diseases, predators, available habitat, competitors, limited resources, etc that make it hard for a species to survive and thrive.
What are limiting factors?
Grass -> Snails -> Robins. According to the food chain, this would result in a decrease in the Robin population.
What would a decrease in either the grass or snail population do to the robin population in the food chain: Grass -> Snails -> Robins?