Let's talk aboutone of the 
most fascinating topics in biology

Niche Construction

So if you go out and look
at environments here

Like this in Hawaii, you see that it can 
be harsh and severe and can be quite hot

But even after the lava cools

It still looks pretty unpleasant

Not such a great place to grow

There is nothing to eat

So doesn't look like life can readily
take advantage of this environment

It turns out it can

In fact there is lots of plants

And there is some in particular
that can take advantage

Of this environment and they start to grow

And they start to grow

It just takes a few years for you to
see this kind of thing

And it is not just lava fields for plans

In fact there is all sorts of places
plants can grow

So here is a flowering plant

And these flowers provide resources
for other organisms to take advantage of