Homologous structures

a.) always have the same function.
b.) are found in organisms of the same species.
c.) always have a different function.
d.) are found in organisms of different species.

d

The answer is D.) *are found in organisms of different species*

i think its y= -4x-14

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.