Show:
living things and the Environment
Populations
Energy Flow
Interactions
Cycles/Succesion
100
Living thing
What is an organism?
100
Number of births in a population in a certain amount of time
What is the birth rate?
100
Organisms in ecosystems that break down wastes and dead organisms and return the raw materials to the ecosystems.
What are decomposers?
100
Role of an organism in its habitat
What is a niche?
100
Series of changes that occur in an area where no soil or organisms exist
What is primary succession?
200
Environment that provides the things the organism needs to live, from, and reproduce
What is a habitat?
200
Moving into a population
What is immigration?
200
Struggle between organisms to survive as they attempt as they attempt to survive as they attempt to use the same limited resource.
What is competition?
200
The processes of evaporation, condensation, and precipitation
What is the water cycle?
300
An organism interacts with both the living and nonliving parts of habitat.
What needs are met by an organism's environment?
300
Populations can change in size when new members join the population or when members leave the population.
What causes populations to change in size?
300
Consists of many overlapping food chains in an ecosystem
What is a food web?
300
Relationship in which one species benefits and the other species in neither helped nor harmed
What is commensalism?
300
Return carbon compounds to the soil and release carbon dioxide to the air
What are decomposers?
400
living parts of an environment
What is a biotic factor?
400
The largest population that an area can support
What is carrying capacity?
400
Consumers that eat both plants and animals
What is an omnivore?
400
Mutualism, commensalism, and parasitism
What are the three types of symbiotic relationships?
400
The first step in succession
What is volcanic eruption?
500
The percentage of water in your body
What is 65%
500
Can be written as written as a mathematical statement using the "is greater than" sign
What is a population statement?
500
Show energy moving from second-level consumers to third-level consumers
What are red arrows on a food web?
500
If the host dies, the parasite loses its food source
Why doesn't a parasite usually kill its host?
500
Process of changing free nitrogen into a usable form of nitrogen
What is nitrogen fixation?