Carbon dioxide is an example of an organism true or false ?

What was the land like over 500 million years ago? what was under the sea?

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.