a related organism from a previous generation
Ancestor
a group of individuals born and living at about the same time
Generation
Where do species inherit their body structures from?
their ancestor populations.
Do changes to species take a small or long amount of time?
Long amount of time
What anniversary is Disneyland celebrating this year
70th
paleontologist:
a scientist who studies fossils in order to understand the ancient history of life on Earth
Natural Selection
the process by which the distribution of traits in a population changes over many generations
When do body structures stay stable?
When the environment stays the same
If a species splits and starts living in two different environments what is likely to happen?
The two species are likely to evolve differently. potentially into two different species
What is one of the mice's name in Cinderella
Jaq and Gus
What is a mutation
a random change to a gene that sometimes results in a new trait
Give an example of an organism
Any plant, animal or bacteria
How does an ancestor population evolve into descendant species with differences in their shared structures?
They split into different environments and evolve different adaptive traits to survive in the new environments
Why do different species share similar structures?
They share a common ancestor
What is Ms. Leger's favorite Disney Princess
Belle from Beauty and the Beast
Give an example of an adaptive trait
any example that helps an organism survive
Give an example of a non-adaptive trait
Any trait that won't help an organism survive in their environment (Brown fur in a snowy enviroment)
A fossil snake and A living rat both have a structure in their skull called the quadrate bone. What best explains why both species have a quadrate bone?
They have a common Ancestor Population
What is the cause of speciation?
Changes in the enviroment
What is the name of one of the fairies in Sleeping Beauty
Flora, Fauna, and Merryweather
Give an example of two species that have a shared structure and what is the structure?
Any two animals that share a skull, backbone, teeth, front limb structure, tail ...
Give an example of speciation
any two organism that have split from a recent common ancestor. The finches, Bull frogs in Australia...
Explain the diagram
All three organisms have a common ancestor. However the top two organisms are more closely related
Explain the significance of the table
All three organisms have a common ancestor that had striated muscle. The Locust and Jumping spider are more closely related because they both have an exoskeleton
What year is Walle set in
2805.