Living Things and the Environment
Populations
Energy Flow
100
One type of living thing.
What is an organism?
100
The number of births in a population in a certain amount of time.
What is the birth rate?
100
An organism that can make its own food.
What is a producer?
200
Where the organism can get what it needs to live, grow, and reproduce.
What is its habitat?
200
The main way that individuals leave a population.
What is death/dying?
200
An organism that obtains its energy by feeding on other organisms.
What is a consumer?
300
The living parts of a habitat.
What are the biotic factors?
300
Moving into a population.
What is immigration.
300
Organisms that break down wastes and dead organisms and return raw materials to the environment.
What are decomposers?
400
The abiotic factors include these.
What are water, sunlight, oxygen, temperature, and soil.
400
The largest population an area can support.
What is carrying capacity?
400
Many overlapping food chains, which shows how energy can move through an ecosystem.
What is a food web?
500
The five levels of environmental organization.
What are organism, population, community, ecosystem, and biosphere?
500
These are four limiting factors.
What are food and water, space, light, soil composition, and weather conditions?
500
This shows how energy can move from one feeding level in a food web to another.
What is an energy pyramid?
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