Slide 1 Slide 2 Determining geological ages Relative ages – placing rocks and geologic events in their proper sequence, oldest to youngest. Absolute dates – define the…

Slide 1SAMPLING AND ESTIMATION Slide 2 PARAMETERS AND STATISTICS A parameter is a quantity used to describe a population, and a statistic is a quantity computed from a sample…

1.Megasporogenesis and microsporogenesis megasporocyte microsporocyte Generates megaspore and microspores meiosis REVIEW 2. Examples of angiosperm diversity in pollen and…

Slide 1 Slide 2 Essential Knowledge 1.b.2 – Phylogenetic trees and cladograms are graphical representations (models) of evolutionary history that can be tested (26.1-26.3).…

Tracing Phylogeny Phylogeny Phylon = tribe, geny = genesis or origin The evolutionary history of a species or a group of related species. Phylogeny Found in fossils and the…

Determining geological ages Relative ages â placing rocks and geologic events in their proper sequence, oldest to youngest. Absolute dates â define the actual numerical…

The History of Life on Earth Chapter 25 Question How have events in the Earth’s history contributed to life as we know it? Bazinga How did Life get started? One Idea -…

Before the 1700âs, scientists thought that the Earth was only 6,000 years old. This mindset was based on biblical references. However, as scientists began to better understand…