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Our class did an experiment on 5 different things which are red sad, yeast, orbies, radish seeds, and shrimp brine. We used these organisms in 3 different environments which are H2O, sugar water and salt water. Environment effect organism because organisms need certain environment to be able to survive. For example, the seeds didn't grew in the salt water because that is not it's environment. The seeds need fresh water like the regular H2O and the sugar water. The salt water didnt had what the seeds need to be alive. So the seeds failed to sprout.Some of our living organisms appeared non living because it didnt showed any sign of living such as breathing, movements, eating, etc. Like the seed, brine shrimp and yeast. They just look like sand and tiny rocks. They need time to grow in the environment.Organisms need to to be expose to certain things to know that it is a living thing. Like seeds need fresh water to be able to sprout. The brine shrimp appeared non living in the sugar water because it was not completely hatched.
Article posted October 21, 2011 at 02:10 PM •
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