Explain why there are no tall trees in the tundra biome. what are some of the biotic and abiotic phenomena that exist in the tundra?

Tundra is the coldest biome on earth. Tundra got it's name by word "tunturia" which means treeless plains. Tundra biome is characterized by extremely low temperatures, dead organic matter in the nutrient pool and low light intensities. Trees in the tundra biomes are adapted to sweeping winds and nutrient deficiency of soil. These trees are short to resist cold temperatures and falling snow.  

Abiotic factors like temperature is extremely cold, the upper layer of the soil get freezed- permafrozed. Biotic factors like animals go for hybernation because they cannot sustain in cold temperatures.  

uh two lol

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

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