EA 4-5 Flashcards
A fundamental niche is a condition where you can find an organism devoid/lacks environmental pressures/factors
t/f
true
A culture media containing nutrients for microbial growth is NOT considered a habitat
t/f
false
Arrange the horizontal layers (horizon) of the soil from top to bottom (take note: a- topmost layer, while e-deepest layer)
C layer (substratum)
B layer (subsoil)
R layer(bedrock)
A layer (surface)
O layer (organic)
C layer (substratum) D
B layer (subsoil) C
R layer(bedrock) E
A layer (surface) B
O layer (organic) A
Estuaries are ecosystem in transition with salt and freshwater environments
t/f
true
A realized niche is an actual condition where an organism lives together with environmental factors like competitors (biotic) and physical/chemical factors (abiotic)
t/f
true
Lotic ecosystem are standing water ecosystem
t/f
false
Is the number of individuals per species
species abundance
Is the number of different species found in an ecosystem (the “number” count of species)
species richness
Population is a group or association of populations of two or more different species occupying the same geographical area at the same time
t/f
false
Biofilms can be made up of different species of microbes
t/f
true
Is a quantitative measure that reflects how many different types (such as species) there in a dataset (a community).
diversity indices
Movement of organisms across space and time
dispersal
A biofilm is an assemblage of microorganisms attached to a surface
t/f
true
Synecology is the other term for community ecology
t/f
true
Autoinducers are chemical signals that are used in quorum sensing
t/f
true
Is the process by which the mix of species and habitat in an area changes over time
ecological succession
