Answer:
True.
Explanation:
All of the oceans are connected so it makes 1 big ocean. There are 5 sub-oceans. Brainliest pls
Bird skeletons are very delicate, and therefore, difficult to be preserved. The bones of the birds are soft. The small animals are very prone to physicochemical as well as biological decay. This is why the fossil record of bird is incomplete and well-preserved fossils of birds are rare to find, except at a few unusual sites.
break the cells open to collect the dna.
seperate the dna from proteins and cellular debris.
precipitate the dna with an alcohol.
clean the dna.
look at the concentration and quality of the dna.
Every brain is the same size I thought
