Question

Which transition phrase is best used to introduce an example

Answer 1

In my opinion Guinea Pigs are the most fragile animals out of all the small prey animals because they can only go without eating or drinking for 24-48 hours. For example, Guinea pigs need a fresh supply of hay and water daily, anything less may lead to starvation causing death.

Step-by-step explanation:

You see what I did there? I put my transition phrase in bold so you can understand and used a made up opinion about guinea pigs to introduce it.

Answer 2

For example,

For instance,

As an example,

...such as

One example...

In particular,

e.g.

It all depends on what you are writing about! But there is no "best" phrase, you just have to choose what sounds right in your sentence!