Vocab
A change in a species over a long period of time
Evolution
Impression of an organism left in the stone
Mold Fossil
Why do scientists compare different body structures?
To see if they are similar and if they have a common ancestor
Whales, Giraffe, varies
True or False: Evolution is a Theory
True
is a species from which other species have developed.
Ancestor
picture of fossil (imprinted in stone)
Mold Fossil
What type of structure is this?Different structure with the same function
Analogous Structure
Why are fossils important as evidence towards evolution?
It shows how long ago plants and animals lived and how they may have changed over time.
What type of fossil is this? Picture of dinosaur track
Trace Fossil
the preserved remains of plants and animals that lived long ago.
Fossil
Picture of 3D mold
Cast Fossil
This picture of a tailbone is an example of what type of strucutre?
Vestigial Structure
Who is the Father of Evolution
Charles Darwin
What is the fossil record?
All of the fossils that are found and logged by scientists
The act or process of something becoming different.
Variation
3-D impression image of the fossil. Minerals are filled into the mold to pop out of the rock
Cast Fossil.
A structure that lost is function is called
Vestigial Structure
Why are body structures an important piece of evidence
It shows that they are linked to a common ancestor over time
What do the layers of rock underneath the ground tell us about fossils?
It tells us how old or young they are. How long they have been around
the study of the physical structure, shape, and organization of living things, including humans, animals, and plants
anatomy
A piece or whole of the actual organism preserved
True Form Fossil
What type of structure is this? Different species sharing the same physical features and body structures.
Homologous Structures
Look at the picture. What do the lines linked to the bottom dinosaur mean?
That they are linked by a common ancestor
Picture of Insect preserved in Amber
True Form Fossil