What biological compounds are non-polar and insoluble in water?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12