One species of fish feeds in the muddy bottom of a lake. a second species eats insects that land on the water surface. this is an example of

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.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

The basic types of tissue in the human body are