Lesson 1
Early Study of Evolution
Early Study of Evolution
An educated guess based on limited evidence or observations.
What is a hypothesis?
Any change in the DNA of a gene or a chromosome.
What is mutation?
Natural selection that acts on an organism's ability to get the best possible mate.
What is sexual selection?
The preserved remains or traces of an organism that lived in the past.
What is a fossil?
Scientists who study fossils are called this.
What are Paleontologists?
The term for a species changing over time.
What is evolution?
A mechanism of evolution.
What is natural selection?
The process by which two species evolve in response to changes in each other over time.
What is coevolution?
When there are no more left on earth.
What is extinction?
A molecule found inside the cells of all living things that provides the ultimate evidence of a shared genetic code.
What is DNA?
The father of evolution.
Who is Charles Darwin?
The series of events in which a cell grows, prepares for division, and divides to form two daughter cells.
What is cell cycle?
23
How many chromosomes are given to the child from each parent?
A type of fossil that provides evidence of an organism's activities, such as footprints, burrows, or scratches.
What is a trace fossil?
The fact that all life on Earth uses the exact same genetic code is considered absolute proof of this evolutionary concept.
What is a common ancestor?
He made the first attempt at developing a theory of evolution.
Who is Jean-Baptiste Lamarck?
He had the idea that inheritance and probability can be applied to all living things.
Who is Gregor Mendel?
Darwin observed that some variations make individuals better adapted to this.
What is the environment?
Fossils are almost always found in this type of rock, which is made up of layers of sediment.
What is sedimentary rock?
The process or result of changing to better suit new environments or conditions.
What is adaptation?
A pioneering English fossil hunter and self-taught paleontologist who discovered groundbreaking prehistoric marine reptile fossils.
Who is Mary Anning?
Darwin used ______ to create the fantail pigeon from the wild rock dove.
What is artificial selection?
46
How many chromosomes do humans have?
2
How many types of fossils are there.
The study of where organisms live on the planet and how they got there based on geography.
What is biogeography?