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Science Prezi

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Amol Hothi

on 20 September 2013

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Transcript of Science Prezi

Food Chains
Food Chains
Plants are at the very beginning of the food chain. They are the producers. Other names for them include: Self-feeders, plants, autotrophs and many others. They are the only organisms that can produce their own food, through a process called Photosynthesis (with the chemical called Chlorophyll). Plants belong in the first tropic level and they only are not in very rare cases. For example, grass, berries and leaves.
Otherwise know as first consumers, they are the organisms that consume the plants. They are always on the second rung in food chains. They are usually big and slow animals. Some examples are, elephants, whales and rabbits
These secondary, tertiary and quaternary consumers are always the ones to be found on the top of food chains. They are small, agile and strong animals. They are always are at a loss for nutrients, due to the fact that mass and Jems are no passed on as the food chain goes along. These animals are always found on the third, fourth and fifth trophic levels. Examples of these carnivores are, Hawks, Sharks and Cheetahs.
Decomposers break down dead material. They are also know as Detrivores. They are the organisms that complete the food chain. If they did not exist then the whole food chain would be out of whack. Dead things would never be able to decompose therefore, plants would not be able to extract nutrients from the soil and the whole food chain would loose its base. For example, mushrooms, worms and maggots.
Natural Snacks
There are a number of consumable foods in the environment. Different living organisms consume varieties of natural snacks. And out of those many natural snacks we chose these snacks that we know we humans can consume.
Red Berries
(grown on trees and bushes)
Black Berries
(Grown on trees and bushes)

Types of Flowers and Seeds
There are a number of things that make nature beautiful and flowers are one thing that adds to the beauty of nature.
Leaves are beautiful in the summer, spring, and especially the fall. They make the trees stand out in forests. Leaves are also food for many small insects and also for animals.
Grass is a major part of our lives. The grasses are the greatest single source of wealth in the world. They provide much of the starch (rice, cornmeal, bread, cereal, pasta) and much of the protein in most human diets.
Weeds are unwanted plants in nature. Weeds over power the grass, then the grass becomes weak.
Different Sizes of Plant Life
Food Chain #1
Gardener Snake
Black Birds
Food Chain #2
Why are Frogs Disappearing?
Taken at the Northern part of Etobicoke Creek
Environmental Issues
Human Impacts
When farmers and home owners use pesticide on there lawns and farms, the chemicals seep into the creek effecting the frogs habitat.
Fact-Frogs have very thin
skin so they breathe through it.
Crayfish's Habitat
By: Jenna, Amol, Jasmine
How to prevent destruction of Habitats
If the hikers stayed on the paths provided and respected the the plant life around less habitats would be destroyed.
Full transcript