We give them these little pieces of filter paper.

Visitors may not feed the animals.

Please don't feed the animals.

Do not feed the animals.

The plant biomass, the phytoplankton, the zooplankton, it's what feeds the fish.

Narrator As the hunters display their kills, something surprising happens.

And one of the most fantastic displays that I remember, or at least visually, was a foraging behavior.

We would actually enlist them which we've done now to collect specimens from animals.

An animal? An animal?

Everywhere there has been constant extraction of mineral, killing animals, the logging timbers and so on.

Your diamond you've all heard, probably seen the movie Blood Diamond.

He's going to eat the goat?

For vamp bait.

I noticed that, yeah. Animals, mister, just animals.

How's it look?

First of all, we associate the click sound with a food reward, which is smashed banana and peanuts together in a syringe.

Wake up, wake up!

Feeding them.

So here's the next challenge.

Zoology deals with the study of animal life.

If she were an animal, what kind of animal would she be?

It's also got a little chin barbel here with a blue luminescent lure on it that it can use to attract prey from a long way off.

They took a vote on the motion.

We've known him for years. Who, that guy at the zoo?

And that was the language of the war.

Wasn't.

But what are your fish eating?

I was applying for work in museums. Two years

These animals feed on grass.

An animal.

In the zoos on Mars, there are animals from Earth.

I'm the bait.

Animal semen.

He was an animal rights activist?

do the dishes So feed the fishes

Makes me excellent bait.

Take tuna, a major drawback.

Our diet consists, in some part, of animal proteins, and at the moment, most of us here get it from livestock, from fish, from game.

It runs down the rivers, and it feeds the plankton, the little microscopic plant cells in the coastal water.

You don't but they're really nice fruits and quite easy to grow really.

And so she thought, well, what the heck.

Zoology.

There are many kinds of animals in the zoo.

The world's largest zoo is in Berlin, Germany.

But by now, everybody agrees that the elephant had an aquatic ancestor.