Living Things and the Environment
An organism that makes its own food.
Producer
a living thing
organism
A diagram that shows multiple food chains within an ecosystem is a?
Food Web
An organism that obtains energy by feeding on other organisms.
_______ moves through an ecosystem when on organism eats another.
Energy
The nonliving things that interact with an organism are called what?
Abiotic Factors
All the organisms that live in a particular area and their nonliving surroundings make up an ?
A _______ is a series of events in which one organism eats another and obtains energy.
The study of how living things interact with each other and their environment.
Ecology
Arrows in a food web or food chain represent what?
List three different types of decomposers.
mushrooms, bacteria, worms, etc.
All the members of one species living in a particular area make up a ?
Population
Most energy is available at the ______ level of an energy pyramid.
Producer (Bottom)
Energy Pyramid
True or False
Each of the organisms in an ecosystem fills the energy role of producer, consumer, or decomposer.
True
What is the difference between a herbivore, omnivore, and carnivore?
A groups of organisms that can mate with each other and produce offspring that can also mate and reproduce is called a?
Species
As energy moves up the pyramid, each level has _______ energy available than the level below.
10 % less
A carnivore that feeds on the bodies of dead organisms.
Scavenger
Energy enters most ecosystems as what?
sunlight
An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its what?
Habitat
List the levels of an ecosystem from largest to smallest.
Ecosystem, community, population, organism
The producer level of an energy pyramid has 10,000 kcal of energy, what would the energy at the secondary consumer level be?
100 kcal
All the different populations in an area make up a ?
_______ is an abiotic factor in an environment that is important for plants to make their own food.
Oxygen