Scientists use shared biological components such as to determine relationships among the three domains of life.

What do scientists need to look at before developing an argument

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.