A _______ is the role a species plays in a community
What is a niche
100
The nonliving factors of an ecosystem are known as _______.
What are abiotic factors
100
What diagram describes all of the individual food chains and feeding relationships in an ecosytem?
What is a food web
100
The energy in an ecosystem begins with ____________
What is the sun
100
This cycle is the major force in the different weather patterns we have. It is never created or destroyed - it just changes form.
What is water
200
This organism eats only plants. Herbivore, carnivore, or omnivore?
What is a herbivore
200
The living parts of an ecosystem are known as ________.
What are biotic factors
200
_________ is passed down from one feeding level to another.
What is energy
200
This element is found in all life forms. It also makes up an important cycle.
What is Carbon
200
One of the following is not an abiotic factor: Water, air, clouds, temperature, birds, sunlight?
What are birds
300
This type of organism breaks down (eats) dead things and recycles them back into the Earth.
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What is a decomposer
300
All of the individual organisms of one kind in a specified area at one time.
What is a population
300
The original source of the following food chain:
Grass => Rabbit => Owl
What is the Sun
300
True or False: Biomagnification is the process by which chemicals are transferred at higher concentrations to members of an ecosystem that are higher up in the food chain.
What is True, DDT is a good example
300
The prefix of this word means "life" and the suffix means "varieties". Therefore, the term describes a variety of different living things in the same place.
What is biodiversity
400
The term for the maximum amount of organisms an ecosystem can support.
What is carrying capacity
400
All of the interacting populations in an ecosystem are classified according to what term?
What is a community
400
An interaction between two organisms that benefit each other is known as predation, symbiosis, or competition?
What is symbiosis
400
berries---> chipmunk---> grizzly bear What does this represent?
What is a food chain
400
An organism that eats another organism is called a _____________.
What is consumer
500
Name three limiting factors to an organisms population
AWV - food, water, shelter, space, human influence among others
500
A system of interacting organisms and nonliving factors in a
specified area.
What is an ecosystem
500
What three things do plants need for photosynthesis to occur?
What is Carbon Dioxide, Water, and Sunlight
500
A food web shows the flow of ________ through an ecosystem.
What is energy
500
An organism that produces its own food is called a ___________.