Trophic Levels
The trophic level second from the bottom
primary consumer
Bears are a(n) _________ because they eat fish, fruits, and insects.
omnivore
a model that shows how energy flows between living things based on their trophic level.
food chain
The definition of energy is
the power needed to do work
A bald eagle is a
tertiary consumer
the top trophic level
tertiary consumers
All living things require _____ to live.
energy
an animal that gets its energy from both plants and animals
omnivore
The definition of a habitat is
the environment where a living thing lives.
A mouse is a
primary consumer
The first trophic level, base of the pyramid
producers
________ are primary consumers, while ______ are secondary and tertiary consumers.
herbivore, carnivore
an animal that is eaten by another animal for food.
prey
The definition of a food web is
a model that shows how energy flows between several living things.
A tree is a
producer
the third trophic level from the bottom
secondary consumers
Fungi are an example of a ________.
decomposer
living things that get energy primary from secondary consumers
tertiary consumers
The definition of an ecosystem is
a community of interconnected living and nonliving things
What type of organism is separate from the trophic level pyramid.
decomposers
the model that goes directly from one trophic level to another is a
food chain
A(n) _______ describes where a living things lives, while a(n) _________ describes the relationship between the living things that live there.
habitat, ecosystem
a living thing that gets its energy from decaying matter
decomposer
a predator with no natural predators.
What organism is separate from the tropic level pyramid.
decomposers