A terrestrial biome has long, cold winters and short, cool summers. The precipitation is low, and the ground remains frozen for most of the year. Plants such as lichens and mosses that can withstand dry and cold conditions are found in this biome. Which biome is characterized by these factors?

coniferous forest
savannah
tropical rainforest
tundra

ANSWER: tundra

true is the final answer!

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.