A severe drought is an example of a density- ____ factor that can influence population size, whereas the availability of nest sites is an example of a density- ____ factor
Fill in the blank with the appropriate word.
independent, dependent
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Microbes and bacterial-type organisms are _______
Fill in the blank(s) with the appropriate word(s).
Which of the following is a density-independent factor limiting human population growth?
A) social pressure for birth control B) earthquakes C) plagues D) famines E) pollution
Where does human herpesvirus 4 (EBV) become latent?
A) in the dorsal root ganglion B) in B lymphocytes C) in cytotoxic T lymphocytes D) in brachial ganglia E) in oligodendrocytes
In which situation can a mixture always be called a solution?
A. when one of its components is a gas B. when there is no solvent in the mixture C. when its components are made up of different types of particles D. when the mixture is homogeneous