Write a small paragraph explaining your choice of experimental procedure to measure nerve impulse speed. You will have to come up with one but you cannot use a scalpel or an electrode (or any other complex equipment that you didn't have in class) only things that you had in class. Explain briefly the rationale of the procedure and with a friend (or many friends depending on your protocol) perform the procedure at least 23 times providing me with an average of your measurements along with the associated standard deviation. If you have no idea what those are please review the video here. You can also ask me or any of your other science professors or scientifically minded friends.

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels. southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels. to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map. b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%