Chapter 8 - Other evidence of evolution

Question 1

What is biogeography

Answer 1

The study of where in the world plants and animals live

Question 2

What is Pangaea

Answer 2

A supercontinent of all the land masses (250 million years ago).
The land began to break a part and move away until continents were formed.
Some organisms were separated/extinct since they couldn’t adapt

Question 3

What two continents were formed from Pangaea?

Answer 3

Laurasia (North America and Eurasia)
Gondwana (Australia, Antarctica, India, South America, Africa)

Question 4

What is structural morphology?

Answer 4

physical structure

Question 5

What is comparitive morphology?

Answer 5

Comparing the base structures of two different species

Question 6

What is the homologous structure?

Answer 6

Basic structure of a particular feature is similar in two different species, but have different functions

Question 7

What is a recent common ancestor?

Answer 7

A single species from the past that evolved in different ways to result in the species being examined

Question 8

What is comparitive embryology?

Answer 8

Different animals can be compared at different stage of development

Question 9

What is cladistics?

Answer 9

Process of classifying and grouping organisms based on their common ancestor

Question 10

What is a clade?

Answer 10

Group of species that share a common ancestor

Question 11

What is a phylogenetic tree?

Answer 11

Shows the evolutionary history (phylogeny) of a species or group of species.