Ecosystems

Succession

The Circle of Life

Communities

Competition

Population Growth

Ecosystems Succession The Circle of Life Communities Competition Population Growth $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

Ernst Haeckel

Who was the scientist that defined ecology?

The physical location of an ecosystem where a species lives

What is a habitat?

A group of organisms of different species living together in a particular environment

What is a community?

An environmental factor that is not associated with the activities of living organisms

What is an abiotic factor?

The number and variety of organisms in a given area during a specific period of time

What is biodiversity?

Succession that begins in an area the previously did not support life

What is primary succession?

A species that colonizes an uninhabited area and starts an ecological cycle in which many other species become established

What is a pioneer species?

The kind of succession found after a forest fire

What is secondary succession?

The amount of organic material that the autotrophic organisms of an ecosystem produce

What is primary productivity?

Kind of succession found on a newly formed island

What is primary succession?

An organism that can make organic molecules from inorganic molecules

What is a producer/autotroph?

The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms

What is a food chain?

A diagram that shows the feeding relationships between organisms in an ecosystem

What is a food web?

Daily Double!!

The total mass of the organisms in a given area

What is biomass?

Primary consumers are located at this trophic level

What is the second trophic level?

A relationship in which two different organisms live in close association with each other

What is symbiosis?

A relationship between two species in which both species benefit

What is mutualism?

A relationship between two organisms in which one organism benefits and the other is neither harmed nor helped

What is commensalism?

One organism feeds on and usually lives on or in another, typically larger organism

What is parasitism?

The relationship between species that attempt to use the same limited resource

What is competition?

The position (way of life) of a species in an ecosystem

What is a niche?

The largest ecological niche where an organism or species can live without competition

What is the fundamental niche?

As a result of competition in the species’ fundamental niche, a ________ niche is the result

What is the realized niche?

The exclusion of one species by another due to competition

What is competitive exclusion?

Daily Double!!

A large region characterized by a specific type of climate and certain types of plant and animal communities

What is a biome?

The kind of growth seen here

What is exponential?

The kind of growth seen here

What is logistic?

The model of growth that assumes that resources are limited

What is the logistic model?

The largest population that the environment can support

What is the carrying capacity?

At the carrying capacity, the birth rate is this to the death rate

What is equal?

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