Bio 201 S09 wkly prac qs wk7

Bio 201 S09 wkly prac qs wk7 - Bio 201 Spring 2010 Posted...

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Unformatted text preview: Bio 201 Spring 2010 Posted review questions Week 7 3/8/10 lecture A reproductive strategy of many tree species is to (a) devote all of their energy to reproduction and then die (b) disperse quickly and colonize newly deforested areas (c) evolve to parasitize other tree species (d) reproduce in large amounts all in the same year (e) evolve chemicals to destroy microbes in the soil Which of the following patterns is seen as body size increases across species (a) population density increases (b) population size increases (c) population density decreases (d) territory size decreases (e) disease rates decrease 3/10/10 lecture In the experiments on patch size and connectedness discussed in lecture, what type of organisms were monitored and/or manipulated? (a) butterflies and meadow plants (b) barnacles (c) shrimp and mangroves (d) scale insects and parasitoid wasps (e) moss and arthropods How long did the human population take to get from 1 billion to 6.5 billion in size (a) 12.5 years (b) 125 years (c) 1250 years (d) 12,500 years (e) 125,000 years 3/12/10 lecture Fill in the blanks: Two ways in which decreased overlap between two species occupying the same habitat can occur are resource _______ and ________ displacement. (a) evolution; positive (b) partitioning; character (c) abundance; limited (d) migration; emigration (e) elimination; disruptive What is it called when many different unpalatable prey species evolve toward the same warning coloration pattern? (a) Mullerian mimicry (b) Batesian mimicry (c) niche overlap (d) competitive exclusion (e) balanced mutation CHOOSE THE MOST COMPLETE ANSWER FOR EACH QUESTION. TRY TO FIGURE THE ANSWERS OUT YOURSELF WITH THE NOTES AND TEXTBOOK AS YOUR GUIDES. IF YOU NEED HELP, PLEASE ASK YOUR TA’S DURING THEIR OFFICE HOURS ...
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