Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
What plays a central role in life on earth? |
the carbon atom |
|
|
What clans of samurai were in conflict with each other |
The Heike and Genji |
|
|
What happened in a naval encounter between the Heike and Genji clan? |
The Heike were vastly outnumbered and were defeated at Danno-ura on April 24th, 1185 |
|
|
How could a crab look like a samurai? |
Through Artificial selection,
-Through a genetic mutation a crab happened to look like a person -The crab would have been caught -Reluctant to eat such a crab it would have been put back to sea -The bloodline of this crab would then continue, as no human would want to eat a crab that looked like this |
|
|
Describe Natural Selection |
It is the mechanism for evolution, discovered by Charles Darwin and Alfred Russel Wallace |
|
|
What two things does evolution need to carry out its 'magic' |
Time and death |
|
|
What does death do? |
it allows the departure of many species not suited to continue |
|
|
What does time do? |
Time allows for a series of very slow genetic mutations to change one lifeform into another |
|
|
what is the building block for life on earth? |
The DNA molecule which formed by accident and can make crude copies of itself |
|
|
What are the rungs of a DNA ladder? |
Nucleotides who's job it is to carry the genetic instructions for creating life |
|
|
What are mutations? |
random variations in the copies of nucleotides from one generation to the next |
