classification systems

Question 1

how are organisms sorted into groups

Answer 1

using their similarities and differences

Question 2

what is the lowest group in the classification systme

Answer 2

species

Question 3

what heppens as you decend the classification heirarchy

Answer 3

there are more groups containing less organisms

Question 4

what are the new systems based upon

Answer 4

DNA-similar base sequences
other molecules eg proteins
early development- how it grows from an embryo