how to evolve into being a mammal<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
</blockquote><div><br></div><div>(1) do you have legs?</div><div>(yes) -&gt; great (no) -&gt; do you want to evolve legs now or wait? (now) -&gt; evolve legs (wait) -&gt; skip to step 2</div><div>(2) do you have lungs?</div><div>(yes) -&gt; gr</div>