Monday, November 29, 2010

Hitchiti Experiment Forest

                          




                         Wild Ginger (Asarum canadense)




·        Wild Ginger is a native North American perennial.
·        Found in moist rich soils in shady woodlands.
·        It smells like ginger.
·        It uses for medicinal purposes.

                 
                   Leaf litter decomposition



·      Leaf litter decomposition is an important process of forest ecosystems.
·      Litter provides habitat for small animals and plants.
·      Litter can be used to construct nests.


                           The Southern Pine Beetle







·     Ranging from 2-7 millimeters in length
·     It could Created so much damage to a tree
·     It  is the most destructive insects to pines in Georgia.
                




                     Infested Pine Tree




Thursday, November 11, 2010

My favorite aquatic critters

1- Phytoplankton

·         Most phytoplankton is too small to be individually seen with the unaided eye.
·         They live in the upper layers of the ocean and which forms the basis of the marine food chain or web..

2- Zooplankton

·         Zooplankton are microscopic animals that eat other plankton.


 
3-Aquatic Macrophyte

·         Macrophyte is an aquatic plant that grows in or near water and is either emergent, submergent, or floating.
·         It provides cover for fish and substrate for aquatic invertebrates.


4-Fish

·         A fish is any aquatic vertebrate animal that is covered with scales, and equipped with two sets of paired fins and several unpaired fins”.
·         Most fish are "cold-blooded", or ectothermic, allowing their body temperatures to vary as ambient temperatures change”.

5-Crustacean
                ·         Crustaceans are a large group of arthropods.
               ·          They treated as a subphylum.




6-Mammal

·         Mammals are animals which share a number of important traits that make them different from other animals.
·         They are warm blooded, gives birth to a live baby.



Monday, November 8, 2010

Tropical Rainforest Biome



 
·         Spread  in Asia, Australia, Africa, South America, Central America, Mexico and on many of the Pacific Islands.

·         Rainforests are home to half of all the living animal and plant species on the planet.

·         Tropical rain forests are called the "world's largest pharmacy" because over a quarter of modern medicines originate from its plants.

Monday, October 25, 2010

Favorite Organsim and Ecological Niche




Bengal tiger  





* Ecological Niche :-



- Most powerful predators  (they kill other animals for food and no other animals kill them).
- Dominant
-No natural enemies
-Being able to prey upon any other species(including other predators)

Mitochondrial Eve

“Mitochondrial Eve is the name given by scientists to the woman who is the matrilineal most recent common ancestor of all living humans. That means that all living humans have mitochondrial DNA derived from hers”.  Mitochondrial Eve lived in East Africa around 200,000 years ago and then spread across the globe.


                                                         Mitochondrial Eve


                                                                 

Wednesday, September 8, 2010

Woods Hole Marine Biological Lab

The Marine Biological Laboratory (MBL) is "an international center for research and education in biology, biomedicine and ecology", established in 1888. It is the oldest marine laboratory in the United States





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Wednesday, September 1, 2010

Butterfly Effect

The butterfly effect is a chaos theory which shows that small action can have large system effects. “The wing movements of a butterfly might have significant repercussions on wind strength and movements throughout the weather systems of the world”.For example, a butterfly flapping its wings in China might change the weather in Chicago.


http://www.wisegeek.com/what-is-the-butterfly-effect.htm