Quarter 2 exam Flashcards
What is a fossil?
An organism of a dead animal
Who studies fossils?
Paleontologists
What is a herbivore?
An animal that eats plants
What is a carnivore?
An animal that eats other animals
Fossils usually form in what type of rock?
Sedimentary
How are fossils formed?
An animal dies and overtime it turns into rock
Why is it important for scientists to study fossils?
Because they want to understand the past
This law states that younger rock layers are on top and older rock layers are on bottom.
Superposition
This law states that the any feature that cuts across a rock layer is the younger than the layers in cuts through.
Cross cutting
This law states that if one body contains fragments of another rock body, it must be younger than the fragments of the rock.
Inclusion
Explain the difference between absolute dating and relative dating.
Absolute dating tells the actual age of a rock, and relative dating is telling which rock is younger or older.
What are adaptations?
A behavior that helps an animal get food.
What is evolution?
An animal taking a new form.
What is natural selection?
Animals that are well suited for the environment.
Who studied species and their adaptations and is known for his contributions to evolution by natural selection?
English naturalist
