Examlex
During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose?
1) amniotic egg
2) paired fins
3) jaws
4) swim bladder
5) four-chambered heart
Global Influence
The capacity to have an effect on the character, development, or behavior of someone or something at a global scale.
Fog Of War
The uncertainty experienced by participants in military operations, relating to the enemy's capabilities or intentions.
Mass Media
Communication channels, such as television, newspapers, and the internet, that are used to reach a wide audience.
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