Prokaryotes stain as Gram-positive or Gram-negative because of differences in the _______.    

Xylem and phloem are vascular tissues of plants

The plant in the haploid phase is called the gametophyte, because it produces gametes

The Newton’s 2nd laws states that:

Which of the following muscles of the temporomandibular joint directly attaches to the biconcave articular disc?  

___________________is the study of organisms to determine their evolutionary relationship using fossils, body parts and forms, structures of molecules, amino acids sequences of proteins and sequences of DNA

What are the critical elements for natural selection? This is a multiple answer question, please pick all answers that apply for full credit.

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

__________ is a change or a difference in a population that is necessary for natural selection.

What is a phylogeny a description of?