Question

evolution: when did it occur? life began on earth approximately 3.5 billion years ago. try writing that as a number here: hey cousin tony! whyre you always so quiet? and its still happening! everything that is alive today evolved from a common ancestor. which is kind of cool to realize that you are distantly related to a penguin, and a cheetah, and a banana! name some other distant cousins of yours: now onto the how - how does evolution occur? enter charles darwin, the man behind the theory of natural selection lets take a look at his story!

Explanation:

Step1: Convert 3.5 billion to number

1 billion = 1000000000, so 3.5 billion = 3.5×1000000000 = 3500000000.

Step2: List other distant - cousins

Some other distant - cousins could be dogs, cats, fish, birds etc.

Answer:

3500000000
Dogs, cats, fish, birds (answers may vary)