Most of the land on earth was part of a single continent called pangaea about years ago.

255,000

225 million

2.5 billion

10,500

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

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.

Wich level of organization includes all the other levels or organizations