Speciation, Classification, Adaption

Question 1

Order of classification

Answer 1

Kingdom 
Phylum 
Class 
Order 
Family 
Genus 
Species

Question 2

What’s is the definition of speciation

Answer 2

Producing 2 or more species from one

Question 3

How is a species created ?

Answer 3

2 populations geographically isolated
Each pop has variation due to mutation
Each pop is now in a different location/environment
Each pop undergoes natural selection best adapted to survive reproduce and pass on the alleles for that adaption
They can no longer reproduce successfully when brought back together

Question 4

What are the 3 domains

Answer 4

Bacteria
Archea
Eukaryota

Question 5

What does an evolutionary tree show

Answer 5

How different species have evolved over time

Question 6

What does the point of each branch (fork) represent on an evolutionary tree

Answer 6

A common ancestor

Question 7

What is extinction caused by

Answer 7

Other living organisms

Environmental changes

Question 8

What’s a fossil

Answer 8

Hard parts of an animal ( teeth bones) that have been left for centuries to decompose and fossilise

Question 9

Can you track evolution through fossils ?

Answer 9

Yes, you can look at changes in fossils over time

Question 10

What are the 3 main headings for adaptation

Answer 10

Structural
Behavioural
Functional

Question 11

What’s an extremophile

Answer 11

Can survive in a harsh environment