Nearly everything we use requires both ____ and energy
Fill in the blank with the appropriate word.
land
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what term refers to inactivated exotoxins used to manufacture vaccines?
What will be an ideal response?
Which of the following is used by phylogenetic biologists to determine how organisms are related evolutionarily?
A. DNA analysis B. fossils C. comparative studies of the anatomy of organisms D. All of these answers are correct.
Density-dependent factors become less effective as the population size increases
Indicate whether the statement is true or false
A new industrial park in your community dumps its wastewater into a large aerated pond, to which nutrients are added. The water from this pond makes its way into a nearby marsh, which eventually drains into a slow-moving stream. This is an example of
A) artificial bioremediation. B) natural bioremediation. C) bioreporter use. D) natural fermentation. E) a method to make potable water.