YOU GET 50 POINTS: Fill in the words

Which of the following explains why a tree is often used as a model to represent the principle of common descent

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.