Answer:
Cell biology is a branch of biology that studies the structure, function and behavior of cells. All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. Cell biology is the study of structural and functional units of cells.
Answer:
(a) Allow movement in only one plane/direction (that is extension or flexion)
(b) The skeletal system also produces blood cells in their bone marrow
Because many living organisms begin in the womb similarly, showing that organisms have a common ancestor
Evolution occurs when<span>these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift
</span>
Answer:
I think you're talking about how they survive in the snow. That would be by hibernating.
Explanation:
If you rephrase your question let me know and I can try to help you further :)