Which equation correctly represents a change in population density? А Change in Population Density = (Births + Immigration) - (Deaths + Emigration)
B Change in Population Density = (Births + Emigration) - (Deaths + Immigration)
C Change in Population Density = (Births - Immigration) + (Deaths + Emigration)
D Change in Population Density = (Births + Immigration) + (Deaths - Emigration)

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates