Lab 3- Jack M, Holly, Emily, Naomi

In this lab, we learned the differences and how to distinguish between different kinds of marine animals based on their traits and characteristics. We learned about the symmetry, layers of tissue, and the coelom of each group. We also learned how the coelom allows different animals to have an easier time moving around. We also explored the concept of Bio-magnification, learning how toxins, and other bad chemicals in the water can quickly ride up the food chain, going from something as little as phytoplankton, to something as large as an osprey.

After taking a look at the link presented in the lab, Our group believes that cholrpyifos should not be allowed to be used based on how much of a threat it poses if it gets into the water. We learned so much about how easily and quickly something can Bio-magnify up the food chain, and if something this harmful got into the water, all marine animals could be in trouble. This chemical is known to overstimulate the nervous system which can lead to severe things such as confusion, respiratory paralysis, and death.

Comments

  1. Our group also agreed that harmful things getting into the food chain would spell disaster for all water based animals. If that happened, the food chain would literally cease to exist. I also that you drew your plankton just like Plankton. It adds a funny and cool visual to our pyramid. Good job.

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  2. Indeed, the impact of chemicals transfer through the bio magnification is very dangerous and toxic for all the ecosystem. I really enjoy how you made your pyramid with your cute drawings!

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  3. It's ridiculous that they haven't banned these chemicals or at least tried to make them safer due to the fact that we could be poisoning ourselves and loose a huge source of food.

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