Inner Fish Quiz

What is Sonic Hedgehog responsible for?

The key signal for making the array of digits in the hand.

If you look at a fish and human embryo side by side, how similar do they look?

They look almost identical: Head, body tail

When did the first mammals show up?

200 million years ago

How many fingers do people in the Hubbard family have?

6

What does Molly posses that most humans do not?

A gill by her ear.

Why does finding fossils in certain rocks work?

Age of rock matches age of fossil.

Fish were the first creatures with what trait?

Boney skeletons: Skulls, Back bones

Who was the first to predict that an animal like Tiktaalik would exist?

Charles Darwin

What type of exercise could Tiktaalik do that other fish could not?

Could go in and out of water

What features does Tiktaalik have that fish typically do not?

Could use its neck to watch for predators and hunt

What job does Neil have?

He is a Scientist / Ash paleontologist

Where are the fish gonads located?

In the chest by the heart.

What did gills turn into in humans

Jaw and ears

What does the name Tiktaalik mean?

Large fresh water fish

How far back can we trace the Sonic Hedgehog gene?

Life in ancient oceans

If a person wanted their child to have 6 fingers on each hand, explain how you think a doctor would be able to accomplis hthis?

Make the sonic hedgehog gene stronger

Fish and humans have in common what?

Skull, back bones, bone structure, gonads

What is the piece of anatomy that changed the world?

Wrists and necks

Instead of limbs fish have what?

Fins

In the early stages of development, all animals begin as what?

Fish

Evolution order

Fish, reptile, mammal, primate

SIr Richard Owen was the first scientist to notice what Skeletal pattern?

One bone in the upper arm, two bones in the forearm, lots of little bones at the wrist, series of five rods that make the fingers.

Where did paleontologists go for their first expedition?

Red Hill in Pennsylvanina

What do you look for in fossil rocks?

Right age, type, exposure

What type of environment was the Canadian Arctic hundreds of millions of years ago?

Warm and watery