Ecology is the study of the interactions between which two parts of the ecosystem?
plants and animals
organisms and abiotic factors
bacteria and soil
biotic factors and organisms
biotic factors and abiotic factors.
Ecology is the study of the interactions between which two parts of the ecosystem?
a. plants and animals
b. organisms and abiotic factors
c. bacteria and soil
d. biotic factors and organisms
b. organisms and abiotic factors.
The nonliving parts of an ecosystem are called _____ factors.
population
dead
abiotic
biotic
abiotic.
A limiting factor _____.
is an influence that can limit a population’s size
impacts animals but not plants
affects all populations in an area similarly
is the same as the carrying capacity
is an influence that can limit a population’s size.
Counting the number of organisms in a small area and multiplying to estimate the number in a larger area is called _____.
direct observation
mark and recapture
indirect observation
sampling
sampling.
What is an approximation of a number, based on reasonable assumptions?
an estimate
a limiting factor
a biotic factor
immigration