Arctic
What are the biotic factors?
polar bears, musk oxen, caribou,whales, seals, and walrus. Also many others
What are the abiotic factors?
21 million square miles of land, ice and water. Works Cited: http://classroom.synonym.com/abiotic-biotic-factor...
Fun Facts: The Antarctic region is found in the south part of Earth.
The name ‘Arctic’ comes from a Greek
word meaning ‘near the bear’.
There are six different types of seals in Antarctica.
Works Cited: http://www.saburchill.com/facts/facts0003.html
http://www.sciencekids.co.nz/sciencefacts/earth/ar...
#funfactswithco #arcticecosystem #ecosys5

CARRYING CAPACITY

Controlling for predators has been increasing the yield from local natural prey resources in the arctic.On the other hand, polar bears have been struggling since November of 2014.

Most animals in the arctic need food, water, and shelter,but you must make your own shelter because the arctic by itself doesn't have shelter

Limiting Factors

Limited Supply of food, not a place for herbavores.

Predator-Prey relationship.

If you find food in the arctic you fight for it no matter what or else you might not see food again for a while.

Food can be common in some areas but in others not.

polar bears are the most common predator in the arctic

Energy Roles

Producers

  • sea ice algae - which live on the underside of the sea ice but may fall to the sea floor
  • phytoplankton - which may be carried under the sea ice by currents from open water regions
  • macroalgae - leafy seaweeds and algae that are attached to rocks and corals on the sea floor
  • microalgae - microscopic algae that lives on the surface of sea floor sediments.
  • Consumers
  • snails, urchins and corals.
  • Decomposers
  • Bacteria

Food Chains and Food webs

Food webs are more realistic than food chains in my ecosystem is because the polar bear for example, can have different kinds of foods. It depends on what food they find 1st.

If you removed a animal or species from a food web the chain or web would die because if one animal dies the other animals don't have anything to eat.

Trophic Levels and Energy Pyramids

Pyramid

Producer: 10,000 Kcals

Second level: 1,000 Kcals

Third level: 100 Kcals

Fourth level: 10 Kcals

Pyramid Reasoning

We use pyramids to represent that the energy is decreasing as we make our way through a food chain in the arctic

Energy Differences

The reason that the producer is bigger than the top is because the bottom, or producers have more energy. The producers get the energy from the sun. After that the energy decreases by 90%. For example, if the producer had 10000 Kcals then the 4th level would have 10 Kcals.

6CO2 + 6H2O ------> C6H12O6 + 6O2

Where: CO2 = carbon dioxide

H2O = water
Light energy is required
C6H12O6 = glucose
O2 = oxygen

Tropisms

The plants in the ecosystem grow towards the sun just like animals in the arctic. Animals come out of hibernation to get warm sunlight to help their bodies grow just like plants.

Decomposers

Soil Bactiera

Fungi Types

These are Examples of decomposers in the arctic

If there were no decomposers in the arctic then all the plants would die which mean the herbavores would die and ther food chain would be broken

Adaptations

In the arctic adaptations are very important. For example you must have quick feet to catch your prey from running away or you might not see food again for a while.

1. Be able to swim

2. Be able to dig a hole

3.Have quick feet

If a species would be tranferred to a different enviorment. Lets say a polar bear for example the species would not last long because they would not have the the adaptations for the enviorment.

Natural Selection

  1. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution. This is important to the arctic ecosystem because the animals can get a different mix of food.
  2. The arctic hare is naturally converted into camouflage in the winter so the foxes and other animals can't find them

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