partially enclosed body of water where a river flows into an ocean
What is an estuary?
100
the sequence of biotic changes that regenerate a damaged community or create a community in a previously uninhabited area
What is succession?
100
the diverse world of living things
What is biodiversity?
100
all scientific studies are loosely based on this process
What is the scientific method?
200
decreases the size of a population
What is deaths?
200
freshwater bodies of water have this many zones
What is three?
200
the long-term pattern of weather conditions in a region
What is climate?
200
this can reduce an ecosystem's stabilty
What is loss of biodiversity?
200
scientists collect these two types of data
What is qualitative and quantitative?
300
movement of individuals into a population from another population
What is immigration?
300
saltwater bodies of water have this many zones
What is four?
300
this determines an area's climate
What is the sun?
300
occurs when a barrier forms that prevents an organism from accessing its entire home range
What is habitat fragmentation?
300
the evaluation of experimental methods and results by other scientists
What is peer review?
400
movement of individuals out of a population into another population
What is emigration?
400
much of the nertic zone consists of this organism
What is plankton?
400
Earth has this many climate zones
What is three?
400
any organism that was brought into another ecosystem as a result of human action; poses a great threat to stability if they prey on or crowd out native species
What is introduced species?
400
this happens when data doesn't support a hypothesis
What is rejection?
500
factor that has the greatest effect in keeping down the size of a population
What is limiting factor?
500
name the two highly diverse habitats in coastal waters
What is coral reefs and kelp forests?
500
this plays a role in seasonal change
What is earth's tilt on its axis?
500
along with introduced animals, this type of species negatively affect ecosystems
What is plant species?
500
this is the cycle of observing, forming hypotheses, testing hypotheses, analyzing results, and evaluating results