Which of the following best describes how an evolutionary biologist would use comparative anatomy to examine paleontological evidence and determine the evolutionary relationship between two species? By analyzing the genomes of each species to look for similar gene sequences
By determining if each species uses different structures to carry out the same functions
By examining the bone structures of each species to look for similar structural patterns
By studying the metabolic pathways of each species to look for similarities in cellular respiration

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?