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Transcript of Aquatic Eco-Systems
By Trisha, Ananya, Dhriti, Stephanie, Alani, Michael Y., Srihan, and Ben
Oil Affecting Marine Life
death of many animals
chance of endangered species dying out
chance of a new endangered species listing.
Pollution Affecting Marine Life
When human beings litter, their actions can affect many lives in the ocean.
Endangered Species Affecting Marine Life
In a food link or web, when one species runs out, the species that eats it gets affected. In the food chain beside, when the population of the frog dies out, the population of the grasshopper increases and the population of the snake decreases because the snakes don't have any food to eat. The hawk population will also decrease because there are not enough snakes for all the hawks to eat.
Climate Affecting Marine Life
Aquatic ecosystems are sensitive to temperature fluctuations and changes in rainfall. On a larger scale, ocean currents are governed by the climate. Changes in ocean currents alter marine ecosystems. These changes mean that organisms have to adapt very rapidly to a different environment. Some species are successful; others struggle to survive.
Density & Salinity
The density of the water is harmful to the sea animals. Water Density changes because of temperatures and salinity. Too much salinity can kill sea animals! That is why the
Dead Sea is called the "Dead Sea", because of too much salinity. Density and Salinity can be very harmful to the under water ecosystem!
Sediment Affecting Marine Life
Sediment can threaten the health of sea animals.
Sediment can cloud the water, which in turn can negatively impact the plants and animals of these places
What is the difference between pollution and contamination?
THE SEA TROUT PROBLEM
Many sea creatures including sea trout are dying because of the bad lifestyle they are having. This is why there was no sea trout at the restaurant. Some examples of what could have happened are:
Predators [Food Chain effect]
Pollution [Trash,sediment,and contamination]
Density & Salinity
BASIC CAUSE AND EFFECT
Contamination, is caused by pollution, for example, if oil is spilled in the sea, fish will die because of the contamination.
This is where we got our research for the Aquatic Ecosystems Prezi.
HOPE YOU LEARNED A LOT FROM OUR PREZI ON AQUATIC ECOSYSTEMS!
WHAT IS THE DIFFERENCE BETWEEN POLLUTION & CONTAMINATION?