Which of these is an example of the process of speciation?
A. Two distinct populations of fish begin to share the same habitat but do not interbreed.
B. One population of lizards is split into two similar populations that continue to interbreed.
C. One population of mice is split into two distinct populations that cannot interbreed.
D.
Two similar populations of birds continue to share the same habitat and interbreed.

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

what bodys are there orbiting?