The environment that a living thing needs to live, grow and reproduce.
Habitat
You want the birth rates and death rates to be what?
higher
equal
lower
equal
What makes organisms better suited to a specific environment?
adaptations
What are the three ways we show an ecosystem?
food chain
food web
energy pyramid
Interactions which one organism kills another for food or nutrients.
prediation
I am a living thing!
organism
This movement means moving into a population.
immigration
Limiting factor
What is the energy change in the energy pyramid?
0.1
When two species have a relationship and live close together?
symbiotic relationships
Nonliving parts of an organism's habitat.
Abionic
population density formula
pd = # of individuals / unit area
Name the limiting factor.
food and water
climate and weather
space and shelter
An organism makes their own food.
Producers
A relationship that in which both species benefit.
Mutualism
Parts of a habitat that are or were once alive.
Biotic factors
This means leaving a population.
emigration
What is competition?
Food
Water
Shelter
I obtain energy by eating on other organisms.
Consumer
A relationship in which one species benefits and the other species is neither helped nor harmed.
commensalism
The study of how organisms interact with each other and with their environment.
ecosystem
If I have 800 squirrels in an area of 20 square mile.
40 squirrels square mile
Predator and prey population rise and fall together in predictable pattern.
population size
Decomposers
A relationship that involves one organism living with, on, or inside of another organism.
parasitism