(a) 2.
The diagrams below show the patterns produced on an oscilloscope by three
different sound waves.
M
А
B
с
(0)
Which two waves have the same loudness?
Write the letters.
and

How does natural selection change thephenotypes within a population over time?

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.