I believe animals that possess homologous structures probably evolved from the same ancestor. Homologous structures are similar because of common ancestry. A homologous structure is an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.
Answer:
north pole area
Explanation:
1. The north pole (very northern canada greenland and russia) is a big part of the world, but it's growing smaller
2. It's all mostly ice, so barely any trees
3. SUPER cold there, so it doesn't get warmer than 50 f or 10 c
5. The north pole area's ocean is called the Arctic Ocean
6. the aurora lights, or the Northern lights happen there too.
<span>The centromeres split. The two chromatids separate, and each chromatid becomes a new chromosome. The new chromosomes move to opposite ends of the cell. The cell stretches out as the opposite ends are pushed apart.
Hope this helps! :)</span>
Photosynthesis, ocean absorption, and fossilization are carbon sinks. Combustion and respiration are carbon sources
