Ecosystem, Populations, and communities
This word describes the living AND nonliving things interacting in an area
Ecosystem
True or False? During its life cycle, an organism's role in the community (niche) may change.
True
A food web illustrates what?
that energy passes from organism to organism.
A consumer is an organism that...
eats plants or other animals.
__________ relies on careful observation of patterns, similarities, and differences.
Classification
True
This word describes a place where an animal naturally lives
habitat
Several food chains that overlap are called a ______.
Food web
A producer is an organism that...
An ecosystem includes ____ and _____ things.
Living and nonliving
When two or more blue jays live and interact in the same area, the blue jays are a(n)
Population
The word describes an animals organism's special role in the environment.
niche
The interactions and organization within an ecosystem is based on the utilization of energy from the ________.
Sun
Animals that help break down the dead organisms that fall to the ground are ________.
Decomposer
The ______'s energy cycles through the ecosystem from producers through consumers and back to the nutrient pool through decomposers.
Sun
This word describes all the populations of organisms living in an environment
Community
To a blue jay, eating worms in its _____________.
Niche
A _______________ is always at the bottom of the food chain.
A plant/ producer
Which is a producer?
grass
The size of an organism's habitat depends on the organisms _____.
Organisms that live in the same ecosystem and share the same need for resources must ________ for them.
compete
To the blue crab, the open bay of the Chesapeake Bay region is its ____________.
Habitat
The arrow in a food chain always points to the organism __________.
Doing the eating
Decomposers break down wastes into _______ which become part of the soil.
nutrients
A guide used to identify organisms based on characteristics is ________________.
a dichotomous key