In a reaction that is believed to be similar to pre-biotic chemical reactions, H2S can combine with FeS to form ____
Fill in the blank with the appropriate word.
Answer Key: pyrite
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A response to change in the internal/external environment that intensifies the change is called ____ feedback
a. positive b. physiological c. reflex d. negative e. anatomical
In plants, wilting of leaves and stems results from ____
a. hemolysis b. an increase in turgor pressure c. plasmolysis d. a lack of solutes in the cell e. a higher than normal concentration of water in the cell
Phylogenetic trees are usually constructed using either a distance-based ________ approach, or a characteristic ________ approach.
Fill in the blank(s) with the appropriate word(s).
What would a comparison of prokaryotic and eukaryotic cells reveal?
a. That they both have a cell wall. b. That they both have a nucleus. c. That they both have an endomembrane system. d. That they both have DNA.