Answer:
Its B study information related to the Cenozoic era.
Explanation:
I got it right on edge, 100%
Answer:
The answer should be the third option. 'All animals are multicellular heterotrophs'
Explanation:
If you didn't know already, trisomy 21 is also known as Down Syndrome. It is caused by error in the cell division which is called nondisjunction. It leaves a sperm or egg cell with an extra copy of chromosome 21 before or after conception.
I think the answer is molars