Hello <span>Dorisspears6347
</span>
#1: <span>A chromosome number does reflect the complexity of an organism.
#2: </span>Organisms with different numbers of chromosomes are unlikely to be able to interbreed successfully
I Hope This Helps!
-Chris
If you use more than one independent variable at a time, and will observe a change, you will not know which variable contributed to a changed result.
F1 stands for first filial (daughter) generation
<span>F2 stands for second filial (daughter) generation</span>
Whelp, it is definitely not D.
I would say B.
there was no Paleogene period.