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The Tropical Rainforest Biome

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on 8 November 2013

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Transcript of The Tropical Rainforest Biome

The Tropical Rainforest Biome

There are many characteristics of the Tropical Rainforest biome that makes it unique, but some include:

- Rainiest, wettest land biome
-Very diverse, half of the Earth's species live there.
-77 degrees F, NEVER drops below 64 degrees F, plants will die if cooler.
Limiting factors
A limiting factor is a biotic or abiotic factor that determines the population of a species in a biome.
Where is the Tropical Rainforest Biome?
The Tropical Rainforest biome is located near the equator, about
20 degrees North to 20 degrees South.

Humans are a big part of destroying the rainforests. Many people cut down trees in the rainforest to build houses and to get more land. Because of this biotic factor, the population of trees in the rainforest go down, and makes many animals lose their homes, including monkeys, and birds. This is a limiting factor because it affects the population of trees in the biome, and certain animals lose their homes and food sources, because of the loss of trees, causing their population to go down.
Boa Constrictors
A biotic, limiting factor also found in the Tropical Rainforest biome is the boa constrictor. This animal is a limiting factor because it makes the population of its' prey go down, including mice, birds, monkeys, and even wild pigs. The boa constrictor is a dangerous predator in the Tropical Rainforest and will try to attack anything by squeezing them to death.
The Tropical Rainforest
The Tropical Forest is a biome filled with many types of species, including the ones you see here. Join us in this presentation and find out what the Tropical Rainforest really is.
The green shows where the tropical rainforest is on the planet.
The Rainforest
Animals and Adaptations
One type of plant in the Tropical Rainforest biome is the orchid.
Some of the limiting factors of the Tropical Rainforest biome are...
An abiotic, limiting factor of the Tropical Rainforest is sunlight. Sunlight can be considered a limiting factor because many plants need it, and when plants don't get it, they die, bringing their population down. An example of this is that in the rainforest, trees are so thick that small plants and shrubs don't get enough sunlight. Because of the lack of sun, some plants die, affecting their population. Because of this, sunlight proves to be a limiting factor.
Another abiotic, limiting factor is soil. Soil in the Tropical Rainforest is not filled with to many nutrients, and because of this, plants sometimes don't get enough. Without nutrients, plants could die, and affects their population as well.
primary feathers
primary coverts

Since the biome is so close to the equator, it gets the most amount of sunlight and stays hot and humid all year long.
Precipitation (mm)
Temperature (Celsius)
Tropical Rainforest Climatogram
By analyzing the climatogram,
you can see many interesting
trends that shows the Rainforest's
two most known characteristics,
warmth and humidity.
The temperature, according to the
climatogram, is really hot, around
80 degrees F, and is consistent during
the whole year.
Precipitation is also high, the highest being 320 mm. In the climatogram, the precipitation gets lower in the Summer, the lowest being 210 mm.
The amount of precipitation goes higher in the
Spring, but drops dramatically in the Summer.

In the Winter, precipitation picks up again, until it hits Spring, where the whole cycle continues again.
And temperature and precipitation are only two characteristics of this biome...
All biomes have many organisms,
but the Tropical Rainforest biome has the most diverse wildlife
out of them all.
One type of animal and it's adaptation in the Tropical Rainforest biome is...
The Sugar Glider
An interesting type of animal found in the Tropical Rainforest biome is the sugar glider.
The sugar glider's adaptation are its skin membranes, that allows them to glide around the forest.
The ability to glide lets sugar gliders glide to their homes in the trees. This adaptation also lets them be able to reach fruits and nuts, in other words, their food sources.
Gliding not only allows sugar gliders to find food, but it allows them to be out of reach from dangerous predators.
Without this adaptation, predators would probably be able to hunt sugar gliders down more easily, therefore making this adaption effective.
Another animal is the Toucan
The toucan is another animal living in the Tropical Rainforest that has adapted to the conditions.
The toucan's adaptation is its large, colorful bill, or beak.
The toucan's unique bill is not for show, but for food.
Toucans use their long beaks to grab fruits from branches that are too heavy for them to stand on.
Not only do toucans use their beaks to grab fruits, but they also use their bills to skin the prey they catch.
This adaptation proves important for toucans because it allows them to get to their food sources.
One type of animal in the Tropical Rainforest is the Gold and Blue Macaw.
Here is a labeled picture of the organism.
Here is a labeled picture of the plant.
By Talia C and Sophie C
Rainforests used to cover 14% of the Earth, and now we only have 6% left. Every second, a section the size of a football field is cut down. In time, the impacts of deforestation will become obvious.

Some environmental impacts are:

Extinction- Many species and populations live in the tropical rainforest. Currently, the world is losing 137 species a day due to deforestation, which totals up to 50,000 species per year.

Habitat Loss- The reason that causes organisms to disappear is the fact that they lose their homes through deforestation. Territory conflicts occur, as well as a depletion of food supply.

Soil Erosion- When plants are removed, soil erosion occurs. Rain washes away nutrients in the soil.

Climate Change- The tropical rainforest climate will be disrupted because it will turn into a hot and dry area. This poses a hazard to the native species. Carbon dioxide is also released into the atmosphere, which is already a problem.

Pollution- The ground, air, and water become polluted from mining.

Some social impacts are:

Many indigenous people live in rainforests. When they lose their homes due to deforestation, much culture goes with them as well. Deforestation hurts them because their natural resources for their way of life are taken away.

Many of the medicines that are used today come from the rainforest. By destroying the plants of the region, humans lose potential medicines that may help to cure diseases. Right now, 121 prescription drugs use plants as a remedy. Along with the loss of plants, knowledge of medicinal plants are lost as well. The indigenous people know the tropical rainforest inside and out, but as these indigenous people become older, they will lose the ability to pass the information along to the next generation.

Struggles over racial and ethnic rights will happen, in addition to competition for land by companies.

Scientists estimate that in about 40 years, the 6% will be gone as well.

In rainforests, the most valuable asset to people is the amount of wood.
There are already a lot of environmental and social impacts.

The vascular tissues of lianas are modified primarily for water conduction, which leaves these tall plants dependent on other plants for support.

The fig will generally use an adult tree for a host so that there is no competition for light and nutrients at ground level.

Some plants and their adaptations of the Tropical Rainforest are...
The Liana
The Liana is a wooded vine that climbs or twines around other plants; it exploits the trunks and limbs of tropical trees for support in order to get its own leaves into well-lit parts of the forest canopy.
This adaptation proves vital to the Liana, because without it, they wouldn't be able to get enough sunlight, and would die.
Another plant is the...
Strangler Fig
The Strangler fig sends down long roots to the ground from where it begins to surround the host tree.
It grows quickly and eventually suffocates the host: when the host tree dies it leaves an enormous upright strangler with a hollow core.
This adaptation is important to the Strangler Fig because it allows it to get nutrients and sunlight, which is what it needs to survive.
The strangler Fig's adaptation allows it to get vital sources to a plant, including nutrients and sunlight.
How Can We Help?
We can't exactly force companies to stop what they're doing, but we can help in other ways.
People like you and me can not pollute as much and try to spread the word through social media.
You can also try to convince people and maybe companies why it's so bad.
Spreading the news of why deforestation will let other people know how bad it is, letting others be able to take action as well. With more people, you stand for something more convincingly than just by yourself.
Remember, just by doing something small, it all comes together in one big picture!
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