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How Did Mammals Evolve?

How Did Mammals Evolve?

Discover the prehistoric ancestors of modern-day mammals.

CURRICULUM

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Dissection: Lungs

Dissection: Lungs

We dissect and examine a cow’s lungs.

Experiment

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Uterus

Uterus

A pear shaped, hollow, muscular organ in mammals.

Glossary

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Urea

Urea

A compound containing nitrogen excreted in urine of mammals.

Glossary

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Vertebrate

Vertebrate

An organism with a backbone.

Glossary

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Alveoli

Alveoli

Microscopic air sacs in the lungs.

Glossary

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Ovum

Ovum

The unfertilised female reproductive cell.

Glossary

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Peristalsis

Peristalsis

Wave-like muscle contractions, such as those used to move food through the digestive system.

Glossary

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Fertilisation

Fertilisation

The fusion of gametes to create a new organism.

Glossary

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What is a Mammal?

What is a Mammal?

What are the unique characteristics shared by all mammals?

CURRICULUM

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Big Breathers

Big Breathers

Find out what happens when marine mammals hold their breath.

CONTEXT

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The Heartbeat Formula

The Heartbeat Formula

Discover the formula that can predict how long a wild mammal will live.

CONTEXT

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Remora Fish

Remora Fish

Is this the world's laziest fish?

CONTEXT

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Echidnas

Echidnas

Discover an extraordinary egg-laying mammal – the echidna.

CONTEXT

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What is a Fish?

What is a Fish?

What are the unique characteristics shared by all fish?

CURRICULUM

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Why Are We Born So Helpless?

Why Are We Born So Helpless?

Baby elephants can walk at birth; why can't we?

CONTEXT

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Echolocation: Dolphins

Echolocation: Dolphins

How do dolphins use sound to navigate?

CONTEXT

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Duck-Billed Platypus

Duck-Billed Platypus

Discover an extraordinary egg-laying mammal – the duck-billed platypus.

CONTEXT

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Streamlined: Dolphins vs People

Streamlined: Dolphins vs People

Discover how streamlining affects animals' ability to swim efficiently.

CONTEXT

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The Goldilocks Zone

The Goldilocks Zone

Not too hot and not too cold; why Earth is just right to support life.

CONTEXT

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Curriculum films: Delivering key learning points

Context films: Showing examples in the real world

Glossary films: A visual dictionary of scientific words

FactPack films: Graphics-based films, packed with amazing facts