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Lab Report For Brine Shrimp Experiment

936 Words4 Pages

Introduction

Brine Shrimp are crustaceans which are distantly related to shrimp, crabs and lobsters. Brine shrimp live in salt water lakes because they can avoid predators; not a lot of aquatic life can survive in that condition. Brine shrimp have eleven pairs of legs used as gills. Their gills are used to help them breathe like lots of sea life, but these gills are also used to pump chloride ions, which take out the salt from their bodies and go into the water. You can tell the difference between a male and female brine shrimp easily. Males are usually green/blue, while the females are brown/red. The females have a sack of eggs along their body, and males develop a big and hooked clasper. The temperature of the brine shrimp tank was originally …show more content…

The control group was the tank where we did not add two ice cubes a week. Some constants that were the same between the two groups were the temperature of the room, the amount of food the shrimp were given, the initial temperature of the water, the pH level, the tank, the number of eggs the tanks start with, and the initial amount of water. If we add ice cubes to the experimental group of brine shrimp, then some will die and others will survive, but go into dormancy because brine shrimp are not good in cold …show more content…

We were also not consistent in the days that we added ice, and we even added it two days in a row one week which could have caused an error. We could have also gotten a bad bag of eggs which could have affected them hatching. A suggestion to improve this experiment is to make sure that the tanks start out identical, and so do the bags of eggs. You could also improve this by making sure you consistently add ice cubes in the same cycle. A follow up experiment I would like to do is to add an ice cube every day and see if we get different results then we did with this experiment- adding ice cubes twice a week. I predict that the population will stay the same, then start to decrease. In conclusion, the brine shrimp population increased when we added ice cubes in the water because it brought the water closer to their preferred

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