Introduction: To Paleontology Ppt [exclusive]

Share a quick, surprising hook (e.g., "99% of all species that ever lived on Earth are now extinct"). Slide 2: What is Paleontology?

Major Eras: Paleozoic (Ancient Life), Mesozoic (Age of Reptiles), Cenozoic (Age of Mammals).

: Rare instances where soft tissues are preserved in environments like (fossilized tree resin), 3. How Fossils Form (Taphonomy)

Use 16:9 widescreen . Modern projectors and screens natively support 16:9; 4:3 format creates pillarboxing on the sides. introduction to paleontology ppt

Studying ancient environments to understand how organisms interacted with their surroundings.

The age of reptiles and dinosaurs (252 – 66 million years ago).

The journey from biosphere (living) to lithosphere (rock) is incredibly rare. Slide 6: The Process of Fossilization (Step-by-Step) Step 1: Death of the organism. Share a quick, surprising hook (e

Marine and lowland depositional basins are highly favored over upland, erosional environments. Module 3: Geological Time and Stratigraphy

The Study of Ancient Life Through the Fossil Record.

– Definition of body fossils versus trace fossils (ichnofossils). : Rare instances where soft tissues are preserved

The appearance of most major animal phyla (arthropods, mollusks, chordates) in a short geological window. Slide 17: Life Moves to Land

Original minerals change crystal structure (e.g., aragonite to calcite).

– Open floor for audience questions with a clean concluding graphic. 2. Core Content for Slide Scripts Slide 3: What is Paleontology?

: "Welcome everyone. Today we are stepping back in time. We will explore how paleontology allows us to read the rocks and reconstruct the history of life on our planet over billions of years." Slide 2: What is Paleontology? Slide Title : Defining the Science

Perimineralization/Petrification (mineral-rich groundwater replaces organic matter).