Alison Miller, Annette Strom
Our question was "How do crickets affect the behavior of a darkling beetle?" Our class came up with three hypotheses: H1) The beetles will move away from the cricket(s). H2) The beetle will be territorial and attack the cricket(s). H-null) The beetle will have no change in behavior when crickets are in the environment. We observed darkling beetles in observation trays. We then observed them with one cricket for five minutes and then with two crickets for five minutes. We recorded changes in behavior. In conclusion, for most of the time there was no change in beetle behavior. A small amount of time was spent moving away from crickets, and beetles never attacked the crickets.
Crickets in Motion
Our class question was "How do changes in temperature affect cricket behavior?" We had five class hypotheses: H1-Crickets will slow down in cooler temperature. H2-Crickets will slow down in warmer temperatures. H3-Crickets will chirp more in cooler temperatures. H4-Crickets will chirp less in cooler temperatures. Hnull-Temperature change will not affect cricket behavior. We tested this by observing crickets for 5 minute intervals at different temperatures. We concluded that crickets had more increased movements in cooler temperatures. There was no chirping observed for either temperature change.
Crunch Time for Crickets
Our question is "How do predators affect the movements of crickets?" As a class we came up with three hypotheses: H1) Crickets will move away from the predator. H2) Crickets will not move (play dead). H-null) Crickets will not change movement patterns (will continue random movements). We tested crickets in the presence of two predators; a leopard gecko and a tarantula. We observed the different crickets movements every minute for up to ten minutes. We concluded that most crickets continue their random movements whether they are with a predator or not.
How does Precipitation Affect Mealworm Movement?
Our class question was "How does precipitation affect the movement of mealworms?" We came up with four hypotheses: 1) Movement will increase with increased precipitation. 2) Movement will decrease with increased precipitation. 3) Mealworms will seek shelter with increased precipitation. Null) There will be no change in mealworm movement with increased precipitation. To test our hypotheses we created a model of precipitation with spray bottles and observed the mealworm's movements for one minute. We concluded that almost 50% of the time the mealworms' movements increased with increased precipitation. The rest of the time their movements stayed the same or decreased. They sought shelter only about 3% of the time.
Over? Under? Around!
Our class question was "How do obstacles affect sow bug movement?" Our hypotheses were: 1) The sowbug will go over the obstacle. 2) The sowbug will go around the obstacle 3) The sowbug will turn and go the other direction when faced with an obstacle. 4) The sowbugs will stop moving when faced with an obstacle. To test this we made a one centimeter high barrier and tested the reaction of 16 sowbugs to the obstacle. We concluded that the majority of sowbugs will go around the barrier.
Tachinid Fly Parasitism
Moth and butterfly larvae are being collected as fourth and fifth instars and held in rearing cages until they develop into adults or die. Larvae that die will be dissected to determine if tachinid fly larvae are present. Rates of infection will be compared to published reports.
The Cockroach Kitchen
Lauren B, Steph R, Alexandra H, Holly K, Zach U, Carolyn B, Amy M, Bronwyn C, Joe B, Lydia E
This museum exhibit shows what things cause a cockroach infestation and how you can prevent it from happening in your own home.
To Jump or Not to Jump
The research problem was how does the presence of another cricket affect the jumping behavior of a cricket. To find an answer, we observed the crickets together and alone. We recorded our observations that we saw. The outcome was that their jumping behavior didn't change. We had a few design problems that made the experiment a little difficult. Despite our problems, we conclude that cricket jumping behavior wasn't any different when they were together or alone.