The aspects of Lucid dreaming?

What do animals wth echolocation have in common other than echolocation

Classify the structures as homologous or analogous, depending on their structure and function.

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.