Energy Flow in Ecosystems
Cycles of Matter
Biogeography
Earth's Biomes
Succession
100
A series of events in which one organism eats another and obtains energy.
What is the food chain?
100
The process in which molecules of liquid water absorb energy and change to the gas state.
What is evaporation?
100
This is the study of where organisms live.
What is biogeography?
100
This is a group of ecosystems with similar climates and organisms.
What is a biome?
100
This is a series of predictable changes that occur over time.
What is succession?
200
This consists of the many overlapping food chains in an ecosystem.
What is a food web?
200
This is the process of changing free nitrogen gas into a usable form of nitrogen.
What is nitrogen fixation?
200
This is the very slow motion of the continents.
What is continental drift?
200
These are the three layers of the rainforest.
What are the canopy, understory, and forest floor?
200
These are the two types of succession.
What are primary and secondary succession?
300
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
What is an energy pyramid?
300
Another name for the bacteria that lives in bumps on the roots of certain plants.
What are nodules?
300
This is the movement of organism from one place to another.
What is dispersal?
300
This is an extremely cold and dry land biome.
What is the tundra?
300
This is what you call the first species to populate an area.
What are pioneer species?
400
These are the three roles of an organism's energy role.
What are producers, consumers, or decomposers?
400
These are the three major processes that make up the water cycle.
What are evaporation, condensation, and precipitation?
400
These are the causes of dispersal.
What are wind, water or living things including humans?
400
This is the land biome that receives the most precipitation.
What is the tropical rainforest?
400
This is what you call a series of changes after a disturbance in an existing ecosystem.
What is secondary succession?
500
This is the percentage of the energy at one level of a food web is transferred to the next higher level.
What is 10%?
500
This is how nitrogen moves from the air to the soil, into living things, and back into the air.
What is the nitrogen cycle?
500
These are the three factors that limit the dispersal of species.
What are physical barriers, competition, and climate?
500
These are the most common producers in water biomes.
What is algae?
500
A fire, hurricane, or tornado would be an example of this type of disturbance.
What is a natural disturbance?
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