Living Things and the Environment
Populations
Interactions Among Living Things
Changes in Communities
Vocabulary
100
What three things must a habitat provide
What is food, water, and shelter
100
Leaving a population
What is emmigration
100
The behaviors and physical characteristics of species that allow them to live successfully in their environment is called...
What is adaptations
100
series of changes that occur in an area where NO soil or organisms exist
What is primary succession
100
Moving into a populations
What is immigration
200
The nonliving parts of an ecosystem
What is abiotic factors
200
What are the four limiting factors of growth.
What is climate, space, food and water
200
An organism's particular role in its habitat, or when and how it survives, is called its...
What is niche
200
The first species to populate an area
What are pioneer species
200
The organism that the parasite lives on.
What is the host
300
The living parts of an ecosystem
What is biotic
300
The largest population that an environment can support is called its...
What is carrying capacity
300
The struggle between organisms to survive in a habitat with limited resources is called...
What is competition
300
Series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist.
What is secondary succession
300
Relationship in which one species benefits and the other species is neither helped nor harmed
What is commensalism
400
The smallest unit of ecological organization is a single (smallest of triangle)
What is an organism
400
Population size generally increases if the birth rate is ____________ than the death rate.
What is greater >
400
The organism that does the killing
What is the predator
400
A fire can lead to this type of succession
What is secondary succession
400
Any relationship in which two species live closely together and at least one of the species benefits.
What is symbiosis
500
All the different populations that live together in an area make up a ....
What is community
500
If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is...
What is 4 beetles per square meter
500
Both species benefit in the type of symbiosis called...
What is mutualism
500
These are two examples of pioneer species
What is moss and lichen
500
the study of how things interact with each other and with their environment is called...
What is ecology
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