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Science 10 Biome Project

Brendan Lazar

on 9 June 2014

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Transcript of BIOMES

By Brendan Lazar
Tundras are the farthest up North of all the biomes, and are typically the coldest. There is very little precipitation (>20 cm/y, mostly as snow), and the average annual temperature is -15 degrees Celsius to 5 degrees Celsius.
-all sources are in
dark blue
There are very few plants and animals that live in the Tundra because of the very little amount of precipitation. Animals in the Tundra have specific adaptations to protect themselves from the cold, including small animals burrowing in the ground (behavioral adaptation), and large animals having heavy coats (structural adaptation).
The taiga biome is found just below the tundra biome, and is made up of tall evergreen conifer trees. The conifer trees dominate the environment, making it hard for shrubs/small plants to grow. Taiga has a higher temperature then tundras do, and more precipitation. There is a longer growing season which results in a higher animal diversity then tundras.
(precipitation 40 to 100cm/y, average temperature 4 degrees Celsius to 14 degrees Celsius.)
Deciduous Forest
This biome is the biome where in the fall, every tree is ecstatically colorful and then their leaves fall off. This biome is found predominantly between latitudes 30 degrees North and 60 degrees North. The climate is more moderate than the other 2, and contains tons of plants because of its long growing season. The winters and summers are very distinct due to the amount of insolation. This biome has a much higher biological diversity then taiga and tundra combined. (precipitation 75 to 150 cm/y, average temperature 14 degrees Celsius to 27 degrees Celsius)
Grassland biomes are literally just land covered in grass, without a doubt the most creative name for a biome on here yet. Typically, this biome type occurs anywhere precipitation is at least 20 cm/y and low enough that trees can't live well there. Temperature on average is 4 to 30 degrees Celsius.
Deserts can be described as lifeless, dry, scorching, and thirsty. Deserts are pretty much the evil twin of tundras, I say twins because they are both physically similar (flat) and I say evil because Deserts are fiery hot. Deserts have a high insolation, meaning they absorb much heat instead of reflecting it like tundras do, and plants and animals live in the desert with adaptations that make them able to live in such hot conditions. The precipitation is < 25 cm/y, and the temperature is on average 12 to 27 degrees Celsius. The desert is interesting in a way that the days are very hot, but the nights are cold, this is because of the lack of water in the air and ground which would hang on to the heat longer than regular dry air and ground, which has a lower specific heat capacity.
Rain Forest
By far the most diverse biome out of all 6, Rainforests are full of plants, insects, and animals alike. Rainforests live up to their name as they get 200 cm/y of rain on average each year, allowing for plants to grow year-round. The average temperature is 25 to 30 degrees Celsius and it is extremely humid there, so it may be hard to cool off.
Where the Biomes are Found:
make something suitable for a new purpose or use.
In nature, there are three different types of adaptation, physiological, behavioral and structural.
A metabolic or physiologic adjustment within the cell, or tissues, of an organism in response to an environmental stimulus resulting in the improved ability of that organism to cope with its changing environment. (example: a horses ability to run faster from predators)
the things organisms do to survive. (example: birds migrate)
-Pearson Science 10 Textbook
Structural Adaptation:
the change in an organisms physical features to help it survive in its environment. (example: in tundra environments, polar bears develop thick coats)
-Pearson Science 10 Textbook
an example of a behavioral adaptation
Camels are an excellent example of how an organism adapts
Camels have two rows of eyelashes to protect against the sunlight and sand in the air. They can close their nostrils to keep sand out and, have you ever wondered why they have those humps? it's to survive a long period without food and/or water, as the humps are fat reserves.
A camel has an odd response to predators, and that is spitting at them. They do this to discourage predators from getting too close, and it works because it smells bad. The worse it smells the higher of a Physiological adaptation it is.
Polar bears have hollow fur, making them buoyant in water, and it insulates them from the cold. Light color of fur allows for camouflage when hunting, and (this is behavioral) they cover their noses with their paws when they don't want to be seen.
They are strong swimmers, and they can swim for 10kph and can adapt to be faster if they need to catch prey. They have been known to have a very high endurance and can swim for 100km straight (longest recorded).
Cactus have a thick, hard, stem that stores water. Much like a cell, the wall is semi-permeable that keeps in water, but can still takes in water.
Cacti have picks on them to prevent predators from getting them, if it's not working, they have been known to grow bigger and tougher spikes.
The Strangler Fig is like a parasite; it grows around adult trees in tropical rainforests.
The Strangler fig has adapted to the fierce rainforest competition by growing up a large adult tree to get light and nutrients. The adult tree will soon die, because the fig is stealing what it needs.
The strangler fig tree can adapt according to how the host tree is fighting back, in some cases the fig tree will grow bigger leaves then the host's.
-all info about the biomes is in the Pearson Science 10 textbook
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