Grab bag
Organisms and their relationships
Flow of Energy in an Ecosystem
Population Dynamics
Describing populations
100
Drought, extreme temperatures
Two examples of abiotic factors...
100
The study of interactions among organisms
What is ecology?
100
eat or break down dead things
What is a detritivore?
100
Density dependent and density independent factors
What factors limit populations?
100
all living organisms in an environment?
What is population
200
predation, competition, desease
What are three examples of Biotic factors?
200
All non-living things
What is an abiotic factor?
200
producer
Is grass a producer, herbivore, ominvore or carnivore?
200
density independent
Is an earthquake related tsunami density depentent or independent?
200
dispersion density growth rate
What three things can populations be described by?
300
Mary Piper Glaser Fries
What is Piper's full name?
300
All living things
What is a Biotic Factor?
300
autotrophs collect energy to produce their own food and heterotrophs get energy by eating other things.
What are heterotrophs and autotrophs?
300
density dependent
Is the change in the number of predators density dependent or density independent?
300
uniformed, clumped, random
What three things can disperson be formed into?
400
pioneer species
What is the name of the material that is present for secondary succession is faser then primary succession?
400
portion of earth that supports life
What is biosphere?
400
Herbivore only eats plants, and a carnivore only eats animals
What is a herbivore and a carnivore?
400
when two animals want the same resourse at the same time and there is a limited amount of this resurse.
What is competition?
400
population limiting factors
What can density be affected by?
500
Climax community
What is the name for the mature community that devlopes in secondary succession?
500
Yes
Can different interactions be both abiotic and biotic?
500
Biomass
What is the name for the total amount of living matter in each trophic level of an ecological pyramid?
500
no
Can any factor be both density dependent and density independent?
500
abiotic
Are density dependent factors are biotic or abiotic?
M
e
n
u