what is a homologous structure?
A structure where the function is different and the structure is similar
What is embryological development?
a process by which the fertilized egg turns into an embryo.
How much money does a quart of the Horseshoe crab cost?
15,000 dollars a quart.
How does fossils relate to evolution?
Fossils relate because it can lead to evolution since you would be able to tell how animals have evolved. And provide important evidence.
a tree that shows represents the similarities between two species.
what is an analogous structure?
A structure where the function is similar but the function is different
How does embryological development show evidence of evolution?
some homologous structure can be seen only in embryo development.
Why is the crabs blood blue?
They have copper in their blood.
what is an example that scientist have found that has evolved?
Horses have shown the largest branching family tree that has evolved.
What is the purpose of the tree?
the purpose is to make a hypothesis about there relationships.
What is a vestigial structures?
A structure where the function and structure is not useful.
what is an example of embryological development?
Humans.
Do horseshoe crabs die when they lose their blood
How do fossils and evolution have a relationship?
Fossils show a progression of evolution.
What does the root of the tree stand for?
the "Branch" corresponds to the common ancestors.
What is the structure that has the same structure and different function?
The Homologous structure.
what is another example of embryological development?
Fish.
Are horseshoe crabs fossils
Yes, they are living fossils meaning they have lived for over 445 million years.
What is one piece of evidence that evolution and fossils relate to each other?
The fossil record of change in earlier species.
Are the trees useful?
Yes, they can help find information about the species.
what is a person who studies fossils called?
A Paleontologist.
What is a fossil?
A trace or print of remains of an old living organism.
Why is horseshoe crabs blood so expensive?
it contains a special blood clotting agent.
True, they are constantly evolving.
Are humans and trees related?
Yes, they all have a common ancestor.