Base level a) the elevation of a streams largest tributary b) the source from which the streams flow c) the lowest point to which a stream can erode its chanel d) any part of the stream below sea level

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.