when would a wedge be most helpful? when pulling a tree from the ground or when breaking up large rocks

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.

Me with biology endocrine system crossword also image left i need with hw

About how much of the cell mass is watet