L9
Terms
undefined, object
copy deck
- The scientific name for the ants used in this lab is _________________________.
- Pogonomyrmex barbatus
- What is the category of chemicals called that functions as sex attractants as well as a means of identifying members of a colony or caste of insects? _______________________
- pheromones
- Which female in an ant colony is the only fertile reproductive ant? ___________
- queen
- Female ants differ from male ants because the female ants are ________________ while the male ants are _________________.
- diploid, haploid
- How often does the fertile female ant of a colony mate? ____________________
- ?
- Each female ant receives ____________ copy/copies of the female parent genome.
- one
- Female siblings, on average, share _____________% of the genetic information they received from their female parent
- 50%
- Female siblings share _____________% of the genetic information they received from their male parent.
- 100%
- On average, female sibling ants share ____________% of their entire genomes in common.
- 75%
- Worker ants can propagate their genes indirectly by ____________ the queen ant.
- helping
- In this lab you will be investigating whether or not the ants show a preference for their own soil or __________________________ and whether or not they show a preference for their own soil or _______________________.
- non-nest soil, foreign soil
- You should be careful when handling the ants because they can inflict a painful _____________ on the unwary
- sting
- What kind of hypothesis will you be testing in the lab? ___________________________
- null
- State specifically the hypothesis that you will be testing:
- ants can recognize their own nest
- How long will you observe each individual ant? ___________________________
- 10 minutes
- How many ants (n) will make up the initial small samples? __________________
- 5
- How many ants (n) will make up the pooled sample? _______________________
- 20
- What kind of statistical test will be performed on the data? __________________________________
- Wilcoxan Signed Test
- What happens to the null hypothesis if data are significant? __________________
- reject
- What happens to the null hypothesis if the data are not significant? _______________________________
- accept
- If the calculated T value was smaller than the appropriate T value in the Wilcoxan Signed Rank test table, what would do with your hypothesis? ______________________________
- statistically significant
- If the ants have no soil preference in this investigation, how often would you expect to observe them on the non-nest soil samples? ___________________________
- 50%
- How might the ants recognize their own soil from a sample taken from else where? __________________________________________________________
- phermones
- At what level of significance are we testing these data? _____________________
- ?
- If the data are statistically significant, what is the probability that these data reflect a sampling error and are actually not significant? _____________________
- ?
- How often do we prove our hypothesis to be correct? _______________________
- ?