History of Life

Question 1

Fossils

Answer 1

Remains or traces of a once living organism that is now preserved in a rock

Question 2

Homologous Structures

Answer 2

Similar body parts that have different functions. But also have similar DNA (meaning they have a common ancestor)

Question 3

Analogous Strucutre

Answer 3

Structures with a similar function but not the same DNA indicating not having a common ancestor.

Question 4

Vestigial structures

Answer 4

Structures that a organisms don’t need but is in the body

Question 5

embyology

Answer 5

The study of how organisms develop from one cell to a whole organism.

Question 6

Cladograms

Answer 6

cladograms are how evolution is shown and displayed. It is used by using a visual of a tree

Question 7

How do Cladograms show passing time?

Answer 7

Passing time can be shown by the further the animals are up on the Cladogram, the more recent the organism is

Question 8

How can you tell what organism has what traits

Answer 8

looking at the trait of the animals, you can determine the common ancestors and what animals have what.

Question 9

Common ancestor

Answer 9

A common ancestor is a organisms that has shared traits with another organism

Question 10

Law of Superposition

Answer 10

It’s a principle used to determine the relative ages of rocks, and earth layers