Which of the following is not a known adaptation among plants to reduce water stress in very dry environments?
What will be an ideal response?
Special pigments in leaves that reduce evaporation
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Structures that have no apparent function but had a function in ancestral species are
A. the fossil record. B. the molecular record. C. homology. D. development. E. vestigial structures.
Shake tubes are used to determine the
A. pH requirements for bacterial growth. B. temperature requirements for bacterial growth. C. oxygen requirements for bacterial growth. D. salt requirements for bacterial growth.
A feature of both restriction enzymes and CRISPR systems is the recognition of (palindromes/primers/spacers)
Fill in the blank(s) with the appropriate word(s).
Assume that the transmission of antibiotic-producing bacteria that live as mutualists with leaf cutter ants is strictly vertical; i.e., bacteria are only transmitted from queens to their offspring
What would you expect the topology of a phylogeny for the bacteria to look like relative to the phylogeny of their ant partners? a. The topologies should not correspond more than would be expected under a random model. b. The topologies should closely correspond to one another. c. The topologies should correspond less than would be expected under a random model. d. Deep nodes will correspond, but not nodes that are located toward the tips of the tree.