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Deciduous Forest vs Tropical Rainforest
Transcript of Deciduous Forest vs Tropical Rainforest
Tropical Rainforest: This biome is the hottest and most humid with the most rainfall of all. It is the oldest ecosystem. It has been called the "Lungs of the Earth" because of the thousands of plants there. This biome has the greatest variety of plant and animal species. Most of the animals live in the canopy. Almost no sunlight reaches the floor, so few plants live there. The latitude is 30° north and 30° south of the equator.
Deciduous Forest: The deciduous forest is found in the mid-latitudes and it has 4 different seasons. Plants and animals must adapt to each season, but the seasons aren't severe. It has the 2nd greatest diversity of plants and animals (after the tropical rainforest). It has the 2nd greatest amount of precipitation (after the tropical rainforest).Although trees have broad leaves, enough sunlight gets to the ground allowing many plants and animals to survive.
There is four season in this biome. The temperature is -30℃ to 30℃ yearly.
The precipitation is 75-150cm per year.The precipitation might be frozen.
Biotic Factors Animals
Most of the animals of the deciduous forest have small bodies. This allows them to walk easily through ground vegetation. All the species must adapt to survive the cold winter and summers. Some adaptations are hibernation, migration, growing thick fur, and some animals store food.For protection many use camouflage.
Mammals: black bear, timber wolf, skunk, bobcat, gray squirrel, chipmunk, mole, rats, field mouse
Insects: butterfly, ants, worms, beetles, bees
Birds: robins, hawks, owls, cardinals
Reptiles: lizards, snakes(viper, copperheads)
amphibians: frogs, newts, salamander
Biotic Factors Animals
The tropical rainforest covers on 2% of the earth's surface. In that 2% of land, more than half of the plants, animals, and insect species live there. There are many different kinds of species here. Most of animals live in the canopy, top layer, of the trees. Some never leave the tree tops because they can find food there. Some have special adaptations to tree-top living. For example, monkeys have prehensile tails that can grab tree limbs and vines. Other adaptations are thick skin, good eye sight, and hearing. Many make really loud noises to scare predators.
Mammals: spider monkeys, baboons, sloth, orangutan
Birds: toucan, quetzal, great horned owl, eagle, macaw, speckled owl
Insects: tree snail, rhinoceros beetle, butterfly, parasol ant
Amphibians: boa constrictor, tree frog, poisonous arrow frog, iguana
This biome is hot all year.
The temperature is 20℃-25℃ yearly.
The precipitation is 2,000mm-10,000mm per year.
1. Deforestation because of logging and urban development.
2. Pollution due to burning fossil fuels (acid rain and global warning).
3. Loss of animal habitat.
5. Introduction of non-native plants that upsets the ecosystem.
6. Strip mining.
precipitation, warm temperatures, minerals, poor soil, high humidity
1. Deforestation for farming and grazing.
2. Logging for wood-products
3. strip mining.
4. Loss of habitat for plants and animals.
5. Cutting plants for medicine.
6. Greenhouse effect due to loss of plants and trees.
rich soil, rocks, plenty of precipitation, sunlight, warm temperatures, minerals, oxygen, carbon dioxide
Deciduous Forest Food Web
*Deciduous forest gets the 2nd most amount of rainfall.
*When the leaves fall fall of the tree, it is more difficult for animals to hide from predators.
* The American black bear is one of the most dangerous animals of this biome.
* During the Winter, plants make a sugar solutim so that water doesn't freeze in the stem. This helps the plant to survive.
* The largest tree is found in the U.S.-IT is the gaint sequoia tree.
* Only 2% of the Earth is a tropical rainforest, but 50% of the Earth's plants and animals live there.
* The layers of vegetation are so thick that it can take 10 minutes for rain to reach the ground.
* Things decompose 10 times faster in the tropical rainforest than other biomes.
* Howler monkeys of Central America are the loudest mammal in the world.
* Plants and animals of the tropical rainforest have symbiotic relationships. They help each other.
Tropical Rainforest Food Web
Biotic Factors Plants
The deciduous forest has the greatest variety of trees of all the biomes. There are 4 layers, canopy, saplings, shrubs, and ground plants. To survive the cold winters, the trees drop their leaves and become dormant. Many plants die down for the winter. Trees also have thick rough bark. Trees have broad leaves to catch the sunlight for photosynthesis. Trees also provide homes and protection for animals and insects.
Broad Leaf Trees: oak, hickory, birch, poplar, and sweet gum
Conifers: spruce, pine, cedar
Plants: blood wort, pitcher plant, vines, flowering plants
Biotic Factors Plants
There is a huge diversity of plants and trees. There are 4 layers of vegetation. The top layer, the canopy, is so thick hardly any sunlight reaches the floor. Next are the shorter trees, the small plants and ground plants. Some plants actually live on the tree trunks and get nutrients and moisture from the air(epiphytes). The plants of this biome provide food, spices, and medicines for the modern world.
vines, orchids, ferns,