Athick band of bone forms around a broken bone as it heals. in time, the thickened band disappears. explain how this extra bone can disappear over time.

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.

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?

Does all the energy stored by the phytoplankton reach the top level of the pyramid