The relationship between a predator and prey.
A predatory relationship, known as predation.
The definition of a food web.
The Sun, which supports all life and supplies all energy.
The definition of a biotic factor.
Living or once-living parts of an organism‘s habitat.
A singular, living thing.
An organism
The definition of mutualism.
A symbiotic relationship between two different organisms where both organisms benefit.
The definition of a habitat.
The natural home or environment of an animal, plant, or organism.
The definition of a food chain.
A simple model that shows feeding relationships within one pathway.
The quality and quantity of biotic and abiotic factors has a major effect on ___________.
The definition of a population.
Multiple living organisms of the same species.
A symbiotic relationship where one organism benefits, while the organism is not affected.
A commensalism relationship.
The definition of competition in an ecosystem.
Where organisms compete within populations or among species for resources.
What would happen to producers if consumers went extinct?
The producer’s population would greatly increase since there are no organisms that threaten them.
How often do organisms with different niches compete?
They compete less often because they do not need the same resources for survival.
The level of organization when 5 turtles are eaten by a boy, by the ocean.
This level of organization is an ecosystem.
The relationship between a mosquito and a human.
A parasitic relationship, also known as parasitism.
The definition of a niche.
The role an animals plays in their ecosystem.
The difference between a food chain and a food web.
A food chain is a SIMPLE model that shows feeding relationships within ONE pathway, while a food web is a COMPLEX model that shows feeding relationships within MULTIPLE pathways.
When two species share a niche, one of their populations usually _________.
Decreases
The level of organization of deer mating with each other.
This level of organization is a population.
The relationship between an Emperor shrimp and a sea cucumber.
A commensalism relationship, because the Emperor shrimp rides on the back of the sea cucumber as a way of faster transportation.Monkey
How can you tell if an organism is biotic or abiotic?
The energy role that feeds on secondary consumers.
A tertiary consumer feeds on secondary consumers, which are usually carnivores.
___________ is a struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time.
Competition
The level of organization when 6 squirrels climb up a 500-year-old oak tree.
This level of organization is a community, since the oak tree is a living organism, along with the squirrels.