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Living Things and the Environment
Populations
Energy Flow in a Ecosystem
Interactions Among Living Things
Cycles of Matter
100
A prairie dog is on type of this.
What is an organism?
100
This is when individuals move into a population.
What is immigration?
100
This is an organism that can make its own food.
What is a producer?
100
True or False: The role of an organism in its habitat, or how it makes its living, is called its niche.
What is true?
100
These three substances are necessary for life.
What are water, carbon, and oxygen?
200
This is the environment that provides the things the organism needs to grow and live.
What is a habitat?
200
This is the largest population that an area can support.
What is carrying capacity?
200
These are consumers that eat both plants and animals.
What are omnivores?
200
This is the name of the organism that is killed.
What is prey?
200
True or False: Producers use oxygen from the air to make food molecules.
What is false?
300
This is a group of organisms that are physically similar and can mate with each other.
What is a species?
300
True or False: A population can only change in size when new members join the population.
What is false (also can change when members leave the population)?
300
This consists of many overlapping food chains in a ecosystem.
What is food web?
300
This involves one organism living on or inside another organism and harming it.
What is parasitism?
300
These three processes make up the water cycle.
What are evaporation, condensation, and precipitation?
400
This names all the members of one species in a particular area.
What is a population?
400
True or False: Limiting factors for populations can include food, water, death rate, light, and soil composition.
What is false (not death rate)?
400
This is the percent of the chemical energy that is transferred to the next level in the food web.
What is 10%?
400
List two out of the three major types of interactions among organisms.
What are competition, predation, and symbiosis?
400
Name three out of the four environment cycles.
What are carbon, nitrogen, oxygen, and water?
500
This names all the different populations that live together.
What is a community?
500
Name all 6 limiting factors.
What are food, water, space, light, soil composition, and weather?
500
This is a series of events in which one organism eats another and obtains energy.
What is a food chain?
500
List the three types of symbiotic relationships.
What are mutualism, commensalism, parasitism?
500
Nitrogen can cycle from _______ to ________ and then to consumers many times.
What is soil and producers?