Imagine that there are twenty-five different species of protists living in a tide pool. Some of these species reproduce both sexually and asexually, and some of them can reproduce only asexually
The pool gradually becomes infested with disease-causing viruses and bacteria. Which species are more likely to thrive in the changing environment? A) the sexually reproducing species
B) the asexually reproducing species
C) Sexually and asexually reproducing species are equally likely to thrive.
A
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A group that contains species from separate evolutionary lineages is considered ____
a. paraphyletic b. polyphyletic c. monophyletic d. haplophyletic e. multiphyletic
Which type of lipid is composed of long-chain fatty acids attached to long-chain alcohols?
a. triglycerides b. phospholipids c. sterols d. waxes e. most neutral fats
Currently, the most serious drug problem on
campuses is a. methamphetamine addiction. b. cocaine addiction. c. marijuana addiction. d. codeine addiction. e. binge drinking.
Low humidity in the atmosphere on a hot day ________.
A) helps in cooling because skin absorbs water from the atmosphere B) does not help in cooling because water evaporates from the skin faster C) helps in cooling because water evaporates from the skin faster D) does not help in cooling because skin absorbs water from the atmosphere