Professor Barbara Etter (Edith Cowan University), police forensic investigator Karl Kent and Sam Norton of Robert Stary Lawyers discuss the challenges posed by evolving technologies when developing and presenting expert...

Explicación o modelo que es lógico, predictivo y se puede poner a prueba. <br/<br/>>

Twig - Ciencias generales

The observable physical and behavioural characteristics of an organism.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Alternative forms of a gene, which affect the expression of a particular trait, such as eye colour or blood type.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

Find out how twins can be different, and how this is determined at the time of conception.
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Biology - Cells And DNA - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been...

An atom or group of atoms within a compound that reacts in a characteristic way, giving molecules particular chemical properties.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...

The gradual change in living forms over successive generations, due to changes in inherited characteristics.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images...

An explanation or model that is logical, testable and predictive.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Fish are by far the most diverse of all the vertebrate groups. Discover the shared characteristics that make a fish, a fish. Biology - Animal Kingdom - Learning Points. Fish are aquatic vertebrates. Jellyfish, starfish and other marine...

What is it about the way mammals are born, and reared, that makes them unique in the animal kingdom? Learn the major characteristics that make a mammal, a mammal. Biology - Animal Kingdom - Learning Points. Mammals are warm-blooded...

All animals develop specific characteristics in response to their environment, but some adaptations are more weird and wonderful than others. Biology - Adaptation And Evolution - Learning Points. Every animal species on the planet has...

Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...

Homo ergaster had a huge brain and lived in complex social groups, but his evolution was stunted for a million years, until he discovered fire. Biology - Adaptation And Evolution - Learning Points. Homo ergaster evolved from homo habilis...

Creating a Venn diagram to reveal the differences and surprising similarities between rainforest and desert environments. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...

Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...

In the hunt for new planets, scientists look for stars that wobble. Astronomy student, Kevin, used this science to discover his own planet. Physics - Universe - Learning Points. Planet hunters use powerful telescopes to examine distant...

Discover the characteristics common to the 9000 bird species living on Earth today. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes –...

If you inherit two copies of every gene, one from each parent, how do your cells know which version to use? Biology - Cells And DNA - Learning Points. Alleles, alternative forms of genes, can be dominant or recessive. Dominant alleles...

In all parts of the world, many very diverse animals have one thing in common.
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Life processes - Variation and classification -


Why classify? />

Learning Points
Classification is grouping...

What is natural selection and how does it work?
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Life processes - Living things in their environmen
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s - Evolution />

Learning Points
Genes are passed down from both parents t
o

their...

In the 1960s, silver foxes were bred in Siberia as an experiment in behaviour. What did this experiment show?
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Life processes - Living processes
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Reproduction />

Learning Points
Acquired...

Meet the very unusual mudskipper fish – it can walk on land!
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Life processes - Living processes -


Living things />

Learning Points
All living
t

hings react to their environm
e

nt.
...

You might be born with some characteristics, but there are others that have to be acquired.
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Life processes - Living processes
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Reproduction />

Learning Points
Acquired characteristics...

More common than you think ... but what exactly is an invertebrate?
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Life processes - Variation and classification -


Invertebrates />

Learning Points
Invertebrates


are animals that have no...