The photo shows a rosebush with large, dark pink flowers and a stem with thorns.
Which part of the rosebush is an adaptation for the plant's defense?
A. Its sharp thorns
B. Its long stems
c. Its green leaves
D. Its pink flowers

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

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.

How water is moving through the ecosystem ?