Terms
All of the non-living factors in an area of an ecosystem
What are abiotic factors?
the first level of organisms
What are producers?
a model of feeding relationships in an ecosystem
What is a food web?
The level of energy with the most stored energy
What is producer level?
organisms who eat producers
What are primary consumers?
all of the living factors in an area of an ecosystem
What are biotic factors?
organisms that eat other organisms
What are consumers?
Represent the flow of energy through feeding relationships
What are the arrows in food web/food chain?
level with the least amount of energy stored
What is tertiary consumers?
organisms who can eat secondary and primary consumers
What are tertiary consumers?
The role or function of an organism or species in an ecosystem.
What is a niche?
Each level in a food chain
What is a trophic level?
organisms who break down biotic materials
What are decomposers?
When organisms eat other organisms, energy is transferred. An _______ can be used to diagram this flow of metabolic energy.
What is an energy pyramid?
These organisms can be omnivores.
What are secondary consumers?
A place where an organism or a community of organisms lives.
What is a habitat?
The second trophic level contains ______________
What are primary consumers?
which type of consumer shows the most variety
What is secondary consumer?
Source of all energy in an ecosystem
What is the sun?
primary consumers are __________
What herbivores?
The total mass of all living material in a specific area, habitat, or region.
What is biomass?
These types of consumers are often omnivores and carnivores.
What are secondary and tertiary consumers?
herbivores eat this level
What are producers?
trophic levels in an ecosystem are limited because
What is stored energy?
organisms critical to decomposition and nutrient cycling and include fungi, certain bacteria, and funguslike organisms.
What are saprotrophs ?