Clay in soils represents a trade-off in nutrient availability, such because
a. oxygen levels are exceptionally high, but much of the nitrogen leaches away
b. nitrogen levels are exceptionally high, but much of the nitrogen leaches away
c. cations are less likely to leach out of soil but are difficult for plants to extrac
d. anions are less likely to leach out of soil but are difficult for plants to extract
Ans: c. cations are less likely to leach out of soil but are difficult for plants to extrac
You might also like to view...
Statements about what a researcher expects to happen to one variable if another variable changes are called ____
a. predictions b. hypotheses c. experimental variables d. theories e. scientific research
How are sequence alignments used in genome sequencing?
a. They are used to match staggered ends when sequencing entire genomes. b. They are used to analyze only one end of the fragment for overlaps in the shotgun approach. c. They are used to identify similar regions between cell types or species. d. They are used to generate potential sequences when gaps exist.
Which of the following is a reason we should care about the extinction of species and work to conserve biological diversity?
A) moral responsibility B) economic benefits C) value of species as indicators of environmental quality D) value of species in maintaining ecosystem function E) all of the above
Which of the following is the only DNA virus that can cause viral hepatitis?
A) hepatitis A virus B) hepatitis B virus C) hepatitis C virus D) hepatitis D virus E) hepatitis E virus