Answer:
B Tundra.
Explanation:
Tundra winters are long, dark, and cold, with mean temperatures below 0°C for six to 10 months of the year. The temperatures are so cold that there is a layer of permanently frozen ground below the surface, called permafrost. This permafrost is a defining characteristic of the tundra biome.
The Environment Protection Agency (EPA) establish specific regulations and laws that businesses must adhere to in order to protect the environment.
RNA Polymerase creates an mRNA copy of template DNA. The mRNA is then pushed into the cytoplasm of the cell where it is ready by ribosomes.
To adapt to the new environment organisms use tools or their body to grow fur if it's cold or to grow less fur if it's hot.It can also determine by weather an by temperature.
Isovolumetric contraction refers
to the short period during ventricular systole when the ventricles are
completely closed chambers. Isovolumetric contraction is a process that helps to
maintain the right flow of blood through the heart and circulatory system in
the body.