How can scientists use the fossil record to find evidence of relationships between different species?

How can scientists use the fossil record to find evidence of relationships between different species?

Explanation:   Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today.  Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.