Answer:
Surviving cold temperatures and finding trees to live in
Explanation:
The major problems of tundra biome are oil, gas, mining industries
Answer AND Explanation:
As the population increases, the amount of resources are depleted. Inadequate resources makes the population growth to stop. With a high population, death rate increases due to starvation and diseases which spread more easily in a large population. There may be a decrease in birth rate due to fewer matings and abortions resulting from social stress.
Its A, blood circulates the hormones
Due to the linneaus system of classification scientist were able to identify organism name , group via standardized system . They have found similarities in the organism like DNA / RNA ( genetic composition), embryonic development etc . so that they can study a organism completely . With the help of this system of classification scientist were able to give a particular name to a organism which is standardrized in the whole universe. It makes easier to all to identify an organism , otherwise different places have different name for a particular species.